/* ── LINGUISTICS PUZZLES — Alice / still-life vintage palette ───────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Alice-in-Wonderland still-life — cream paper, navy ink, deep burgundy,
     blueberry, gold flourishes */
  --bg:         #ece4d3;
  --bg-2:       #f5efe1;
  --surface:    #faf5e8;
  --line:       #2a1f3d;
  --line-soft:  #c9bea3;
  --ink:        #2a1f3d;
  --ink-dim:    #5a4e6e;
  --muted:      #8a7e94;

  --accent:    #9b1c1c;        /* burgundy red */
  --accent-2:  #2a3a8c;        /* blueberry navy */
  --hot:       #9b1c1c;
  --reveal:    #4e7a52;        /* preserved-berry sage */
  --yellow:    #c8a25a;        /* tarnished gold */
  --gold:      #c8a25a;
  --plum:      #4a2a5c;
  --rose:      #b56565;

  /* Type roles: Alice (serif) carries English + prose; the Arial-first
     fallback stack guarantees full Unicode coverage for the rosetta source
     columns — Khoisan clicks, Georgian, IPA, CJK all render in browser
     fonts instead of getting boxed when Alice has no glyph. */
  --font-body:    'Alice', 'Cormorant Garamond', Georgia, serif;
  --font-display: 'Alice', 'Cormorant Garamond', Georgia, serif;
  /* Noto family loaded from Google Fonts FIRST — per-glyph fallback uses
     Noto Sans for Latin Ext / IPA / phonetic extensions, Noto Sans Georgian
     for Mkhedruli, Noto Sans Symbols 2 for Braille (U+2800-2FF). Arial /
     Helvetica fall in after as last-ditch system fallbacks. */
  --font-foreign:
      'Noto Sans Georgian', 'Noto Sans Symbols 2', 'Noto Sans',
      Arial, 'Helvetica Neue', 'DejaVu Sans', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --text-pop:     0 1px 0 rgba(255,255,255,.5);    /* soft paper-emboss */
  --brick-shadow: 0 0 0 transparent;
  --shadow:       0 2px 0 rgba(42,31,61,.10), 0 14px 30px rgba(42,31,61,.10);
}

/* ── night theme ──────────────────────────────────────────────────────── */
:root[data-theme="night"] {
  --bg:         #1a1228;
  --bg-2:       #221836;
  --surface:    #2a2042;
  --line:       #e8e0c8;
  --line-soft:  #3a2e50;
  --ink:        #e8e0c8;
  --ink-dim:    #b9aec6;
  --muted:      #8b80a0;

  --accent:    #d04848;
  --accent-2:  #6a82d8;
  --hot:       #d04848;
  --reveal:    #7ac490;
  --yellow:    #e2c478;
  --gold:      #e2c478;
  --plum:      #8a5cb0;
  --rose:      #d08989;

  --text-pop:   0 1px 0 rgba(0,0,0,.4);
  --shadow:     0 0 24px rgba(106,130,216,.30);
}

html { scroll-behavior: smooth; }

body {
  /* cream linen with a tiled diamond cross pattern in muted gold — the
     vintage backdrop from the Alice still-life reference */
  background:
    /* tiled cross-pattern */
    repeating-linear-gradient(45deg,
      transparent 0, transparent 14px,
      rgba(200,162,90,.06) 14px, rgba(200,162,90,.06) 15px),
    repeating-linear-gradient(-45deg,
      transparent 0, transparent 14px,
      rgba(200,162,90,.06) 14px, rgba(200,162,90,.06) 15px),
    radial-gradient(1200px 800px at 90% -10%, rgba(155,28,28,.06), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  padding: 32px 40px 120px;
  overflow-x: hidden;
}
:root[data-theme="night"] body {
  background:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 14px,
      rgba(226,196,120,.04) 14px, rgba(226,196,120,.04) 15px),
    repeating-linear-gradient(-45deg,
      transparent 0, transparent 14px,
      rgba(226,196,120,.04) 14px, rgba(226,196,120,.04) 15px),
    var(--bg);
}

/* ── day/night toggle (injected by linguistics-theme.js) ──────────────── */
#lp-theme-toggle {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 50;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .14s, background .14s, border-color .14s;
  box-shadow: 0 2px 0 rgba(0,0,0,.08), 0 6px 16px rgba(0,0,0,.08);
}
#lp-theme-toggle:hover { transform: translateY(-1px); border-color: var(--hot); color: var(--hot); }

/* ── TOP BAR ───────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 36px;
}
.topbar .title-block { flex: 1 1 auto; min-width: 0; }
.topbar .metrics     { flex: 0 0 auto; }

.eyebrow,
.metric-k,
.section-eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow a { color: inherit; text-decoration: none; }
.eyebrow a:hover { color: var(--hot); }

.title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.05;
  letter-spacing: .005em;
  margin-top: 14px;
  color: var(--ink);
  text-transform: none;
  text-shadow: var(--text-pop);
}
.title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.eyebrow { margin-bottom: 4px; }

.subtitle {
  font-size: 14px;
  margin-top: 6px;
  color: var(--ink-dim);
  font-style: italic;
}

.metrics {
  display: flex;
  gap: 28px;
  align-items: flex-end;
}
.metric { display: flex; flex-direction: column; gap: 4px; min-width: 60px; }
.metric-v {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
}

/* ── HUB GRID ──────────────────────────────────────────────────────────── */

.hub-intro {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-dim);
}
.hub-intro:last-of-type { margin-bottom: 36px; }
.hub-intro em { color: var(--ink); font-style: italic; }
.hub-intro a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: border-color .14s, color .14s;
}
.hub-intro a:hover { color: var(--hot); border-bottom-color: var(--hot); }
.hub-intro code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 64px;
}

/* Each hub-card is a parchment plate. Source colour stays inside the card
   only — in the tag text and the count badge. No painted edges. */
.hub-card {
  --rib: var(--accent);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  column-gap: 12px;
  row-gap: 10px;
  padding: 22px;
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--line-soft);
  border-radius: 3px;
  text-decoration: none;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform .14s, box-shadow .14s, border-color .14s, background .14s;
}
.hub-card-ilc { --rib: var(--gold); }
.hub-card-iol { --rib: var(--accent-2); }

/* solved → preserved-berry sage outline */
.hub-card.is-solved {
  border-color: var(--reveal);
}

.hub-card:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  box-shadow: 0 8px 0 rgba(42,31,61,.06), 0 18px 36px rgba(42,31,61,.16);
  background: var(--bg-2);
}
.hub-card:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

/* Top row: tag on the left, "// 001" pinned right */
.hub-card-tag {
  grid-column: 1;
  grid-row: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--rib);
  opacity: .82;
  align-self: center;
}
.hub-card-num {
  grid-column: 2;
  grid-row: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--rib);
  opacity: .65;
  align-self: center;
  white-space: nowrap;
}

/* Everything below the top row spans the full card width */
.hub-card-lang,
.hub-card-desc,
.hub-card-glimpse,
.hub-card-stats {
  grid-column: 1 / -1;
}

.hub-card-tag { color: var(--rib); opacity: 1; }
.hub-card-num { color: var(--muted); opacity: 1; }

.hub-card-lang {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink);
  text-transform: none;
  text-shadow: var(--text-pop);
  line-height: 1.1;
}

.hub-card-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-dim);
  margin-top: 2px;
}

.hub-card-glimpse {
  font-family: var(--font-foreign);    /* foreign side might be Khoisan/Georgian/IPA */
  font-size: 13px;
  color: var(--ink);
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hub-card-glimpse .arrow { color: var(--rib); margin: 0 6px; font-family: var(--font-mono); }
.hub-card-glimpse .tgt   { color: var(--ink-dim); font-family: var(--font-body); font-style: italic; }

/* Count badge — wax-seal feel: small caps stamp on the parchment */
.hub-card-stats {
  display: inline-flex;
  width: max-content;
  gap: 0;
  margin-top: 6px;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--rib);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--rib);
  text-transform: uppercase;
}
.hub-card-stats span { padding: 0 6px; }
.hub-card-stats span + span { border-left: 1px solid currentColor; opacity: .85; }
.hub-card-stats span b { font-weight: 700; }

/* ── PLAYER ────────────────────────────────────────────────────────────── */

.puzzle-meta {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  padding: 14px 18px;
  margin-bottom: 32px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 78ch;
}
.puzzle-meta b {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}

.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
}

/* ── PLAYER · GAME MODE ─────────────────────────────────────────────────── */

.section-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-reveal-all,
.btn-reset {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--bg-2);
  color: var(--ink);
  border: 2px solid var(--line);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(0,0,0,.18);
  transition: transform .12s, box-shadow .12s, background .14s, color .14s;
}
.btn-reveal-all:hover, .btn-reset:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(0,0,0,.20);
}
.btn-reveal-all:hover { background: var(--reveal); color: #fff; border-color: var(--line); }
.btn-reset:hover     { background: var(--yellow); color: var(--line); }
.btn-reveal-all:active, .btn-reset:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(0,0,0,.18);
}

.pair-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.pair {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 28px minmax(260px, 1.1fr);
  align-items: center;
  gap: 12px;
  font-family: var(--font-foreign);    /* Arial-first stack for foreign scripts */
  font-size: 15px;
  line-height: 1.5;
  padding: 10px 14px;
  border-radius: 3px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  transition: border-color .14s, background .14s;
}
.pair.is-test:hover { border-color: var(--line); }
.pair.is-solved   { border-color: var(--reveal); background: rgba(78,122,82,.08); }
.pair.is-revealed { border-color: var(--line); background: var(--bg-2); }

.pair .src,
.pair .prompt.src {
  color: var(--accent);
  font-family: var(--font-foreign);    /* explicit — source = foreign script */
  word-break: break-word;
}
.pair .tgt,
.pair .prompt.tgt {
  color: var(--ink-dim);
  font-family: var(--font-body);       /* English: Alice italic */
  font-style: italic;
  word-break: break-word;
}
.pair .is-dim { opacity: .55; }
.pair .arrow {
  text-align: center;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}

/* answer cell holds the input + buttons + feedback */
.answer-cell {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.answer-cell .input {
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 4px 8px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  flex: 1;
  min-width: 120px;
}
.answer-cell .input:focus { outline: none; border-color: var(--hot); }
.answer-cell .input.is-incorrect { border-color: var(--reveal); }

.btn-check,
.btn-give-up {
  font-family: 'JetBrains Mono', monospace;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 8px;
  cursor: pointer;
  transition: all .14s;
  color: var(--muted);
}
.btn-check {
  font-size: 13px;
  line-height: 1;
  padding: 4px 7px;
  font-weight: 700;
}
.btn-check:hover  { color: #b8efbe; border-color: #6fc97a; }
.btn-give-up {
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-style: dashed;
}
.btn-give-up:hover { color: var(--reveal); border-color: var(--reveal); border-style: solid; }

.row-feedback {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--reveal);
  min-width: 70px;
}
.row-feedback.ok  { color: #6fc97a; }
.row-feedback.dim { color: var(--muted); font-style: italic; }

.pair.is-solved .btn-check,
.pair.is-solved .btn-give-up,
.pair.is-solved .input,
.pair.is-revealed .btn-check,
.pair.is-revealed .btn-give-up,
.pair.is-revealed .input {
  display: none;
}
.pair.is-solved   { animation: solved-in .25s ease-out; }
.pair.is-revealed { animation: reveal-in .25s ease-out; }
@keyframes solved-in {
  from { background: rgba(35,120,65,.18); }
  to   { background: rgba(35,120,65,.05); }
}
@keyframes reveal-in {
  from { opacity: 0; transform: translateY(-2px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* score widget (third metric in topbar) reads green at completion */
.metric-v[data-full="true"] { color: #b8efbe; }

/* timer paced against the reference target */
.metric-v[data-pace="under"]        { color: var(--ink); }
.metric-v[data-pace="warn"]         { color: var(--accent); }
.metric-v[data-pace="over"]         { color: var(--reveal); }
.metric-v[data-pace="solved-fast"]  { color: #b8efbe; }
.metric-v[data-pace="solved-slow"]  { color: var(--accent); }

/* the target metric itself is informational */
.metric-target { color: var(--ink-dim); }

/* solved-banner color hint */
.solved-banner[data-pace="slow"] {
  border-color: rgba(208,16,18,.4);
  background: rgba(208,16,18,.08);
  color: var(--accent);
}
.solved-banner[data-pace="slow"] .solved-tick { color: var(--accent); }
.solved-banner[data-pace="slow"] .solved-link { color: var(--accent); border-bottom-color: rgba(208,16,18,.4); }

/* solved banner pinned at top of <main> once everything's in */
.solved-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  margin-bottom: 28px;
  border: 1px solid rgba(35,120,65,.4);
  background: rgba(35,120,65,.08);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: #b8efbe;
  letter-spacing: .02em;
  animation: banner-in .35s ease-out;
}
.solved-tick {
  font-size: 18px;
  color: #6fc97a;
}
.solved-label { flex: 1; }
.solved-link {
  color: #b8efbe;
  text-decoration: none;
  border-bottom: 1px dashed rgba(35,120,65,.4);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.solved-link:hover { border-bottom-color: #6fc97a; }
@keyframes banner-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* hub solved-mark — drawn by the hub script when localStorage flag is set */
.hub-card.is-solved {
  border-color: rgba(35,120,65,.4);
}
.hub-card .solved-mark {
  /* place in the top row alongside tag + num via grid, not absolute */
  grid-column: 1 / -1;
  grid-row: 1;
  justify-self: end;
  margin-right: 64px;            /* leave room for "// 001" on the far right */
  color: #ffffff;
  background: var(--reveal);
  border: 2px solid var(--line);
  border-radius: 6px;
  padding: 2px 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ── FOOTNOTE ──────────────────────────────────────────────────────────── */

.footnote {
  margin-top: 64px;
  max-width: 70ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
}
.footnote em { color: var(--ink); font-style: italic; }
.footnote a { color: var(--hot); text-decoration: none; border-bottom: 1px dashed var(--line); }
.footnote a:hover { border-bottom-color: var(--hot); }
.footnote .dim { color: var(--muted); font-size: 12px; margin-top: 8px; }
.footnote code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
}

/* ── ILC analytical puzzles ─────────────────────────────────────────────── */

.pair-data {
  grid-template-columns: 36px minmax(220px, 1fr) 28px minmax(260px, 1.1fr);
}
.pair-single {
  grid-template-columns: 36px 1fr;
}
.pair-single .src { font-family: var(--font-foreign); font-size: 15px; }
.pair-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
}

.callout-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 2px solid var(--accent);
  border-radius: 0 3px 3px 0;
  background: rgba(208,16,18,.04);
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.6;
}
.callout-note code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
}

.q-block {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 18px 20px;
  margin-bottom: 14px;
  transition: border-color .14s, background .14s;
}
.q-block.is-solved   { border-color: rgba(35,120,65,.4); background: rgba(35,120,65,.05); }
.q-block.is-revealed { border-color: var(--line); }

.q-prompt {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 12px;
}
.q-prompt b {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--accent);
  margin-right: 4px;
}
.q-prompt em { color: var(--ink); font-style: italic; }
.q-prompt code,
.q-model code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  background: rgba(208,16,18,.06);
  padding: 1px 4px;
  border-radius: 2px;
}

.q-hint { color: var(--muted); font-size: 12px; margin-top: 6px; }

.q-textarea {
  width: 100%;
  min-height: 90px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 10px 12px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.55;
  resize: vertical;
}
.q-textarea:focus { outline: none; border-color: var(--hot); }

.q-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.q-reveal {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--ink-dim);
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.q-reveal:hover { color: var(--reveal); border-color: var(--reveal); border-style: solid; }

.q-model {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 2px solid #6fc97a;
  border-radius: 0 3px 3px 0;
  background: rgba(35,120,65,.04);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
}
.q-model b { color: var(--ink); font-weight: 500; }
.q-model ul { padding-left: 18px; margin: 6px 0; }
.q-model li { margin: 3px 0; }
.q-model u { color: var(--accent); text-decoration: none; font-weight: 700; }

.q-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.q-input {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 7px 10px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}
.q-input:focus { outline: none; border-color: var(--hot); }
.q-input.is-incorrect { border-color: var(--reveal); }
.q-input.is-correct   { border-color: #6fc97a; color: #b8efbe; }
.q-input.is-revealed-input { color: var(--ink-dim); font-style: italic; }
.q-input:disabled { opacity: .92; cursor: default; }

.q-check, .q-giveup {
  font-family: 'JetBrains Mono', monospace;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 5px 9px;
  cursor: pointer;
  color: var(--muted);
  transition: all .14s;
}
.q-check { font-size: 13px; font-weight: 700; padding: 5px 8px; }
.q-check:hover { color: #b8efbe; border-color: #6fc97a; }
.q-check:disabled { opacity: .4; cursor: default; }
.q-giveup {
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-style: dashed;
}
.q-giveup:hover { color: var(--reveal); border-color: var(--reveal); border-style: solid; }
.q-feedback {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--reveal);
  margin-left: 6px;
}
.q-feedback.ok  { color: #6fc97a; }
.q-feedback.dim { color: var(--muted); font-style: italic; }

/* ── ILC transcription blocks ──────────────────────────────────────────── */

.q-transcribe.is-filled {
  border-color: rgba(35,120,65,.4);
  background: rgba(35,120,65,.04);
}

.q-audio-row {
  display: grid;
  grid-template-columns: 60px auto 1fr;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.q-audio-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
}
.q-audio-row audio {
  width: 220px;
  height: 32px;
}
.q-audio-gloss {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  color: var(--ink-dim);
  font-style: italic;
}
.q-audio-gloss b {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

.q-ipa-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.q-ipa-row .q-input.q-ipa-input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  letter-spacing: .03em;
  min-width: 220px;
}
.q-ipa-row .q-ipa-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.q-ipa-row .q-filled-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #6fc97a;
  opacity: 0;
  transition: opacity .15s;
}
.q-transcribe.is-filled .q-ipa-row .q-filled-mark { opacity: 1; }

.q-example {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  margin-bottom: 8px;
  background: rgba(208,16,18,.05);
  border: 1px dashed rgba(208,16,18,.3);
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-dim);
}
.q-example b { color: var(--accent); font-weight: 500; }
.q-example .q-example-ipa {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}
.q-example audio { width: 200px; height: 28px; }

.q-data-inline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.7;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  color: var(--ink-dim);
  margin: 8px 0;
  white-space: pre;
  overflow-x: auto;
}

/* ── ACCOUNT (log page topbar) ─────────────────────────────────────────── */

.account-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line-soft);
  vertical-align: -6px;
  margin-right: 6px;
}
.account-login {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink);
  margin-right: 8px;
}

/* ── LOG PAGE ──────────────────────────────────────────────────────────── */

.log-filters {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
}
.log-filter {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 6px 14px;
  cursor: pointer;
  transition: all .14s;
}
.log-filter:hover { color: var(--ink); border-color: var(--ink-dim); }
.log-filter.is-on { color: var(--bg); background: var(--ink); border-color: var(--ink); }

.log-table-wrap {
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
}
.log-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}
.log-table thead {
  background: var(--bg-2);
  color: var(--muted);
}
.log-table th {
  text-align: left;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-soft);
}
.log-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-dim);
  vertical-align: middle;
}
.log-table tr:last-child td { border-bottom: none; }
.log-table tbody tr:hover { background: rgba(208,16,18,.04); }
.log-table .col-puzzle a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px dashed transparent;
}
.log-table .col-puzzle a:hover { border-bottom-color: var(--hot); color: var(--hot); }
.log-table .col-tag { font-size: 11px; color: var(--muted); }
.log-table .col-time,
.log-table .col-progress,
.log-table .col-revealed,
.log-table .col-attempts { color: var(--ink); }
.log-table .col-progress b { color: var(--ink); font-weight: 500; }
.log-table .dim { color: var(--muted); }

.log-table .log-row.is-solved      { background: rgba(35,120,65,.04); }
.log-table .log-row.is-untouched   { color: var(--muted); }
.log-table .log-row.is-untouched td { color: var(--muted); }

.status-pill {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.status-pill.is-solved      { color: #b8efbe; border-color: rgba(35,120,65,.4); background: rgba(35,120,65,.08); }
.status-pill.is-in-progress { color: var(--accent); border-color: rgba(208,16,18,.4); background: rgba(208,16,18,.06); }
.status-pill.is-untouched   { color: var(--muted); border-color: var(--line); }

.pace-pill {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .08em;
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.pace-pill.is-untouched   { color: var(--muted); border-color: var(--line); }
.pace-pill.is-under       { color: var(--ink-dim); border-color: var(--line); }
.pace-pill.is-warn        { color: var(--accent); border-color: rgba(208,16,18,.4); background: rgba(208,16,18,.06); }
.pace-pill.is-over        { color: var(--reveal); border-color: rgba(208,16,18,.4); background: rgba(208,16,18,.06); }
.pace-pill.is-solved-fast { color: #b8efbe; border-color: rgba(35,120,65,.4); background: rgba(35,120,65,.08); }
.pace-pill.is-solved-slow { color: var(--accent); border-color: rgba(208,16,18,.4); background: rgba(208,16,18,.06); }

.btn-row-reset {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 8px;
  cursor: pointer;
  transition: all .14s;
}
.btn-row-reset:hover { color: var(--reveal); border-color: var(--reveal); }

@media (max-width: 760px) {
  .log-table { font-size: 11px; }
  .log-table .col-tag,
  .log-table .col-revealed,
  .log-table .col-attempts { display: none; }
}

.tok-cell {
  border-radius: 2px;
  padding: 1px 2px;
  margin: 0 -1px;
  cursor: pointer;
  transition: background .12s;
}
/* LaTeX sub/sup markup from the IOL data (you_{sg}, ^{tone}) — render small
   and tinted so morpheme-disambiguation is visible without dominating */
.tok-cell sub, .tok-cell sup,
.iol-context sub, .iol-context sup,
.pair sub, .pair sup {
  font-size: .72em;
  font-style: italic;
  color: var(--ink-dim);
  font-family: var(--font-body);
}
.tok-cell:hover {
  background: rgba(208,16,18,.10);
}
.tok-cell.is-marked-1,
.iol-substr-mark.is-marked-1 { background: rgba(0,85,191,.28); color: #cfe9ff; }
.tok-cell.is-marked-2,
.iol-substr-mark.is-marked-2 { background: rgba(208,16,18,.28);  color: #ffe6b0; }
.tok-cell.is-marked-3,
.iol-substr-mark.is-marked-3 { background: rgba(208,16,18,.30); color: #ffd0d0; }
.tok-cell.is-marked-4,
.iol-substr-mark.is-marked-4 { background: rgba(35,120,65,.30); color: #cdf3d4; }

/* drag-selected substring marks sit inline inside text nodes — keep them
   non-interactive so a second drag-select on the same span doesn't pin the
   inner text instead of un-pinning the substring */
.iol-substr-mark {
  border-radius: 2px;
  padding: 0 1px;
}
/* italic-target tokens keep the italic when marked */
.pair .tgt .tok-cell,
.pair .prompt.tgt .tok-cell { font-style: italic; }

/* ── SCRATCHPAD ────────────────────────────────────────────────────────── */

.scratchpad {
  position: fixed;
  right: 0;
  bottom: 24px;
  z-index: 12;
  display: flex;
  align-items: stretch;
  pointer-events: none;
}
.scratchpad > * { pointer-events: auto; }

.scratchpad-tab {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-right: none;
  border-radius: 4px 0 0 4px;
  color: var(--ink-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 12px 6px;
  cursor: pointer;
  transition: color .14s, border-color .14s;
  align-self: center;
  display: none;
}
.scratchpad-tab-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.scratchpad-tab:hover { color: var(--hot); border-color: var(--hot); }
.scratchpad.is-collapsed .scratchpad-tab  { display: block; }
.scratchpad.is-collapsed .scratchpad-body { display: none; }

.scratchpad-body {
  width: 340px;
  max-height: calc(100vh - 80px);
  background: rgba(10,13,18,.96);
  border: 1px solid var(--line-soft);
  border-right: none;
  border-radius: 4px 0 0 4px;
  padding: 14px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.scratchpad-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: -4px;
}
.scratchpad-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
}
.scratchpad-close {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1;
  width: 22px; height: 22px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.scratchpad-close:hover { color: var(--ink); border-color: var(--ink-dim); }

.scratchpad-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  line-height: 1.4;
}
.scratchpad-clear-pins {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--hot);
  border: 1px solid var(--hot);
  padding: 3px 7px;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}
.scratchpad-clear-pins:hover {
  background: var(--hot);
  color: #fff;
}

.scratchpad-pinned {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 28px;
}
.scratchpad-empty {
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-size: 11px;
  color: var(--muted);
}

.scratch-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 3px 4px 3px 8px;
  border-radius: 3px;
  border: 1px solid transparent;
}
.scratch-chip.is-color-1 { background: rgba(0,85,191,.18); color: #cfe9ff; border-color: rgba(0,85,191,.4); }
.scratch-chip.is-color-2 { background: rgba(208,16,18,.18);  color: #ffe6b0; border-color: rgba(208,16,18,.4); }
.scratch-chip.is-color-3 { background: rgba(208,16,18,.20); color: #ffd0d0; border-color: rgba(208,16,18,.4); }
.scratch-chip.is-color-4 { background: rgba(35,120,65,.20); color: #cdf3d4; border-color: rgba(35,120,65,.4); }
.scratch-chip b { font-weight: 500; }
.scratch-chip .chip-count {
  font-size: 9px;
  letter-spacing: .04em;
  opacity: .7;
}
.scratch-chip .chip-x {
  background: rgba(0,0,0,.20);
  border: 1px solid rgba(0,0,0,.30);
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  width: 18px; height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 50%;
  margin-left: 4px;
}
.scratch-chip .chip-x:hover { background: var(--hot); color: #fff; border-color: var(--hot); }

.scratchpad-textarea {
  width: 100%;
  height: 160px;
  resize: vertical;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 8px 10px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
}
.scratchpad-textarea:focus { outline: none; border-color: var(--hot); }

/* canvas surface in the corpus-puzzle scratchpad */
.scratchpad-draw-toolbar {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}
.scratchpad-tool {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 14px;
  width: 28px; height: 28px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.scratchpad-tool:hover { color: var(--ink); border-color: var(--ink-dim); }
.scratchpad-tool.is-on { color: var(--accent); border-color: var(--accent); }
.scratchpad-tool[data-tool="clear"]:hover { color: var(--reveal); border-color: var(--reveal); }
.scratchpad-canvas {
  width: 100%;
  height: 200px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  cursor: crosshair;
  touch-action: none;
}
.scratchpad-draw-hint {
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

/* ── IOL browser + generic solve page ──────────────────────────────────── */

.iol-year-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 24px 0 40px;
}
.iol-year {
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
}
.iol-year-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}
.iol-year-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: .08em;
  color: var(--ink);
  margin: 0;
}
.iol-year-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}
.iol-problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.iol-problem-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color .14s, background .14s, transform .14s;
}
.iol-problem-card:hover {
  border-color: var(--hot);
  transform: translateY(-1px);
}
.iol-problem-card.is-solved {
  border-color: rgba(35,120,65,.4);
  background: rgba(35,120,65,.05);
}
.iol-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
}
.iol-card-tag {
  position: absolute;
  top: 8px;
  right: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--accent);
  letter-spacing: .04em;
  opacity: .8;
}
.iol-card-check {
  position: absolute;
  top: 8px;
  right: 10px;
  color: rgba(35,120,65,.9);
  font-size: 12px;
}
.iol-card-lang {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.25;
}
.iol-card-tasks {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}

/* ── generic IOL solve page ────────────────────────────────────────────── */

.iol-context {
  font-family: var(--font-foreign);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0;
}

/* rosetta pairs lifted out of context become a proper pair-list */
.iol-context-pairs {
  margin: 10px 0 10px;
}
/* Use a compound selector (.pair.iol-context-pair) so this layout wins
   over the responsive @media .pair override later in the file. */
.pair.iol-context-pair {
  grid-template-columns: 32px minmax(180px, 1fr) 28px minmax(180px, 1fr);
  background: var(--surface);
  border-color: var(--line-soft);
  padding: 9px 12px;
  gap: 12px;
  font-size: 14px;
}
.pair.iol-context-pair .pair-idx {
  grid-column: 1;
  grid-row: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  letter-spacing: .04em;
}
.pair.iol-context-pair .src   { grid-column: 2; grid-row: 1; color: var(--accent); }
.pair.iol-context-pair .arrow { grid-column: 3; grid-row: 1; color: var(--muted); }
.pair.iol-context-pair .tgt   {
  grid-column: 4; grid-row: 1;
  color: var(--ink-dim);
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  padding-left: 0;
  border-left: none;
}
.iol-context-line {
  /* one rosetta line per row — preserves the linguini line breaks while
     letting per-word .tok-cell spans flow inline and be clickable */
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 1.7em;
}

/* Multi-column rosetta table — 3+ columns separated by | or │.
   Each cell tokenised so click-to-pin still works on every word. */
.iol-context-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-family: var(--font-foreign);
  font-size: 14px;
}
.iol-context-table td {
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  vertical-align: top;
  word-break: break-word;
}
.iol-context-table .iol-table-src {
  color: var(--ink);
}
.iol-context-table .iol-table-gloss {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--ink-dim);
}
.iol-context-table tr:hover td { background: rgba(155,28,28,.04); }
.iol-task {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 16px 18px;
  margin-bottom: 14px;
}
.iol-task-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.iol-task-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .06em;
}
.iol-task-type {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: .06em;
}
.iol-task-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-dim);
  white-space: pre-wrap;
  margin-bottom: 10px;
}
.iol-answer-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.iol-answer-row {
  padding: 10px 12px;
  margin-bottom: 0;
}
.iol-prompt {
  font-family: var(--font-foreign);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 6px;
}
.iol-explanation {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
}
.iol-explanation summary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  letter-spacing: .04em;
}
.iol-explanation summary:hover { color: var(--ink); }
.iol-expl-body {
  margin-top: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
  white-space: pre-wrap;
}

/* fill_blanks: when the prompt is the surrounding context line, highlight
   the (N) being asked and dim the other (N)s in the same line */
.iol-blank-asked {
  background: rgba(208,16,18,.20);
  color: var(--accent);
  border: 1px solid rgba(208,16,18,.5);
  border-radius: 3px;
  padding: 0 4px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}
.iol-blank-other {
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}

/* match_letters: two-column connect-the-cards board */
.match-task { padding-bottom: 18px; }
.match-board {
  /* source column on the left holds short foreign words; the answer column
     on the right holds long English glosses ("possessor of stones (= …)").
     Bias the grid so the target gets ~1.8x the room and stops wrapping at
     every comma. */
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 60px minmax(300px, 1.8fr);
  gap: 0;
  align-items: start;
  position: relative;
  margin-top: 8px;
}
.match-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.match-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 2;
}
.match-card {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: center;
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 10px 14px;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  transition: border-color .14s, background .14s, transform .14s;
}
.match-card:hover { border-color: var(--hot); transform: translateX(0); }
.match-col-source .match-card:hover { transform: translateX(2px); }
.match-col-target .match-card:hover { transform: translateX(-2px); }
.match-card.is-selected {
  border-color: var(--hot);
  background: rgba(208,16,18,.06);
  box-shadow: 0 0 0 2px rgba(208,16,18,.18);
}
.match-card.is-connected {
  border-color: var(--match-color, var(--accent));
  background: color-mix(in srgb, var(--match-color, var(--accent)) 8%, var(--bg));
}
.match-card.is-correct {
  border-color: rgba(35,120,65,.6) !important;
  background: rgba(35,120,65,.08) !important;
}
.match-card.is-wrong {
  border-color: rgba(208,16,18,.6) !important;
  background: rgba(208,16,18,.08) !important;
}
.match-card-key {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}
.match-card-text {
  font-size: 14px;
  color: var(--ink);
  /* default: source-side column gets the broad-coverage stack;
     target-side override below switches to Alice italic for English */
  font-family: var(--font-foreign);
}
.match-col-target .match-card-text {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--ink-dim);
}
.match-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}
.match-feedback {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-dim);
  margin-left: 8px;
}
.match-feedback.ok { color: rgba(35,120,65,.95); }

/* ── fill_blanks inline table ──────────────────────────────────────────── */

.iol-fill-table { padding-bottom: 18px; }
.iol-fill-scroll { overflow-x: auto; margin-top: 12px; }
.iol-fill-table-grid {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-foreign);
  font-size: 14px;
  color: var(--ink);
}
.iol-fill-table-grid th,
.iol-fill-table-grid td {
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: middle;
}
.iol-fill-table-grid th {
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-2);
}
.iol-fill-cell {
  padding: 6px 8px !important;
  background: rgba(208,16,18,.05);
  margin-bottom: 0;
  border-radius: 0;
  position: relative;
}
.iol-fill-cell.is-solved   { background: rgba(35,120,65,.08); }
.iol-fill-cell.is-revealed { background: rgba(208,16,18,.06); }
.iol-fill-cell .q-input-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.iol-fill-cell .q-input {
  width: 100%;
  min-width: 80px;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 5px 8px;
}
.iol-fill-cell .q-input:focus { outline: none; border-color: var(--hot); }
.iol-fill-cell .q-input.is-correct {
  border-color: rgba(35,120,65,.7);
  background: rgba(35,120,65,.06);
}
.iol-fill-cell .q-input.is-incorrect {
  border-color: rgba(208,16,18,.7);
  background: rgba(208,16,18,.06);
}
.iol-fill-cell .q-input.is-revealed-input { color: rgba(208,16,18,.95); }
.iol-fill-cell .q-check,
.iol-fill-cell .q-giveup {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 11px;
  width: 24px; height: 24px;
  border-radius: 3px;
  cursor: pointer;
}
.iol-fill-cell .q-check:hover { color: var(--hot); border-color: var(--hot); }
.iol-fill-cell .q-feedback {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
  min-height: 12px;
}
.iol-fill-cell .q-feedback.ok { color: rgba(35,120,65,.95); }
.iol-fill-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 2px;
}

/* ── braille task: big-glyph render + dot-grid composer ───────────────── */

/* enlarge inline braille runs so the existing dot patterns are readable */
.braille {
  font-family: 'Apple Braille', 'Segoe UI Symbol', 'DejaVu Sans', monospace;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 2px;
  color: var(--ink);
}

.iol-braille-task { padding-bottom: 18px; }
.iol-braille-prompt {
  margin: 8px 0 14px;
  font-style: italic;
  font-size: 14px;
  color: var(--ink-dim);
}
.iol-braille-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.iol-braille-controls .dim { color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.iol-braille-feedback {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-dim);
  margin-left: 8px;
}
.iol-braille-feedback.ok { color: rgba(35,120,65,.95); }

.iol-braille-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 14px;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
}

.iol-braille-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 4px 2px;
  border: 1px solid transparent;
  border-radius: 3px;
  position: relative;
}
.iol-braille-cell.is-correct  { border-color: rgba(35,120,65,.55); background: rgba(35,120,65,.06); }
.iol-braille-cell.is-wrong    { border-color: rgba(208,16,18,.55); background: rgba(208,16,18,.06); }
.iol-braille-cell.is-revealed { border-color: var(--line-soft); }

.iol-braille-dots {
  display: grid;
  grid-template-columns: 12px 12px;
  grid-auto-rows: 12px;
  gap: 3px;
}
.iol-braille-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background .1s, transform .1s, border-color .1s;
}
.iol-braille-dot:hover  { border-color: var(--hot); }
.iol-braille-dot.is-on  { background: var(--accent); border-color: var(--accent); }

.iol-braille-cell-glyph {
  font-size: 18px;
  line-height: 1;
  color: var(--ink-dim);
  margin-top: 2px;
}
.iol-braille-cell-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  color: var(--muted);
}

.iol-braille-rendered { margin-top: 14px; }
.iol-braille-rendered summary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  letter-spacing: .04em;
}
.iol-braille-bigtext {
  margin-top: 8px;
  font-family: 'Apple Braille', 'Segoe UI Symbol', 'DejaVu Sans', monospace;
  font-size: 32px;
  letter-spacing: 4px;
  line-height: 1.4;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 12px 16px;
  word-break: break-all;
}

/* ── RESPONSIVE ────────────────────────────────────────────────────────── */

@media (max-width: 760px) {
  body { padding: 20px 18px 80px; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 18px; }
  .pair {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .pair .arrow { display: none; }
  .pair .tgt { padding-left: 14px; border-left: 2px solid var(--line-soft); }

  /* IOL context pairs keep src+tgt visible but stacked: idx+src on
     row 1, tgt on row 2 indented with the same left-border treatment
     as the regular .pair narrow-viewport collapse. */
  .pair.iol-context-pair {
    grid-template-columns: 32px 1fr;
    gap: 4px 12px;
  }
  .pair.iol-context-pair .pair-idx { grid-column: 1; grid-row: 1; }
  .pair.iol-context-pair .src      { grid-column: 2; grid-row: 1; }
  .pair.iol-context-pair .arrow    { display: none; }
  .pair.iol-context-pair .tgt      {
    grid-column: 2; grid-row: 2;
    padding-left: 12px;
    border-left: 2px solid var(--line-soft);
  }

  .scratchpad-body { width: 280px; }
  .iol-problem-grid { grid-template-columns: 1fr 1fr; }
}

/* ── SCRATCHPAD (shared component, was in linguistics-decipher.css) ──── */

.gx-scratchpad {
  position: fixed;
  right: 0;
  bottom: 24px;
  z-index: 12;
  display: flex;
  align-items: stretch;
  pointer-events: none;
}
.gx-scratchpad > * { pointer-events: auto; }

.gx-scratchpad-tab {
  background: var(--bg-2);
  border: 1px solid var(--accent);
  border-right: none;
  border-radius: 4px 0 0 4px;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 16px 8px;
  cursor: pointer;
  align-self: center;
  display: none;
  transition: color .14s, border-color .14s, box-shadow .14s;
  box-shadow: -1px 0 12px rgba(208,16,18,.18);
}
.gx-scratchpad-tab-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.gx-scratchpad-tab:hover { color: var(--hot); border-color: var(--hot); }
.gx-scratchpad.is-collapsed .gx-scratchpad-tab  { display: block; }
.gx-scratchpad.is-collapsed .gx-scratchpad-body { display: none; }

.gx-scratchpad-body {
  width: 360px;
  max-height: calc(100vh - 80px);
  background: rgba(10,13,18,.96);
  border: 1px solid var(--line-soft);
  border-right: none;
  border-radius: 4px 0 0 4px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.gx-scratchpad-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gx-scratchpad-tabs {
  display: flex;
  gap: 4px;
}
.gx-scratchpad-tabs .gx-tab {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.gx-scratchpad-tabs .gx-tab:hover { color: var(--ink); border-color: var(--ink-dim); }
.gx-scratchpad-tabs .gx-tab.is-on { color: var(--bg); background: var(--ink); border-color: var(--ink); }

.gx-scratchpad-close {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1;
  width: 22px; height: 22px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.gx-scratchpad-close:hover { color: var(--ink); border-color: var(--ink-dim); }

.gx-pane { display: none; }
.gx-pane.is-on { display: flex; flex-direction: column; gap: 8px; }

.gx-notes {
  width: 100%;
  height: 240px;
  resize: vertical;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 8px 10px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
}
.gx-notes:focus { outline: none; border-color: var(--hot); }

.gx-draw-toolbar {
  display: flex;
  gap: 4px;
}
.gx-draw-toolbar .gx-tool {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 14px;
  width: 28px; height: 28px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .14s;
}
.gx-draw-toolbar .gx-tool:hover { color: var(--ink); border-color: var(--ink-dim); }
.gx-draw-toolbar .gx-tool.is-on { color: var(--accent); border-color: var(--accent); }
.gx-draw-toolbar .gx-tool[data-tool="clear"]:hover {
  color: var(--reveal); border-color: var(--reveal);
}

.gx-draw {
  width: 100%;
  height: 260px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  cursor: crosshair;
  touch-action: none;
}
.gx-draw-hint {
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-size: 11px;
  color: var(--muted);
}

@media (max-width: 760px) { .gx-scratchpad-body { width: 280px; } }