/* Learn English (lib/desks/learn.php) and the learning parts of /words. Calm system tokens from site.css. Mobile first. */
.ln [hidden],.ln-streak-pill[hidden]{display:none!important}
.ln{color:var(--ink);font-size:18px;line-height:1.6;padding:8px 0 24px}
.ln h1,.ln h2,.ln h3{font-family:var(--display);font-weight:500;letter-spacing:-.015em;color:var(--ink)}
.ln-ic{width:22px;height:22px;flex:none}
.ln-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 10px;padding:6px 14px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2);font-size:15px;font-weight:600;letter-spacing:.02em}
.ln-hero{padding:14px 0 6px}
.ln-hero h1{font-size:clamp(32px,6.4vw,54px);line-height:1.08;margin:0 0 12px}
.ln-hero-sm h1{font-size:clamp(30px,5vw,44px)}
.ln-lede{font-size:clamp(18px,2.1vw,21px);color:var(--ink-2);max-width:62ch;margin:0 0 12px}
.ln-sub{color:var(--muted);font-size:16px}
.ln-h2{font-size:clamp(25px,3.2vw,32px);margin:0 0 14px}
.ln section{margin-top:30px}
.ln .ln-hero,.ln .ln-tabs+section{margin-top:0}
.ln-streak-pill{display:inline-flex;align-items:center;gap:8px;margin:4px 0 0;padding:8px 16px;border-radius:999px;background:var(--warm-soft);color:var(--ink);font-weight:600;font-size:17px}
.ln-crumbs{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-size:16px;color:var(--muted);margin:6px 0 4px}
.ln-crumbs a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;padding:8px 0}
.ln-more-link a,.ln-made a,.ln-orig a,.ln-credits a,.ln-note a,.ln-photo-credit a,.ln figcaption a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.ln-more-link a{display:inline-flex;align-items:center;gap:6px;font-weight:600;padding:10px 0}

/* buttons */
.ln-btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border-radius:999px;border:0;background:var(--accent);color:#fff;font:600 17px/1.2 var(--font);cursor:pointer;text-decoration:none;transition:background .2s,transform .1s}
.ln-btn:hover{background:var(--accent-2)}
.ln-btn:active{transform:scale(.98)}
.ln-btn-soft{background:var(--surface);color:var(--ink);border:1.5px solid var(--line-2)}
.ln-btn-soft:hover{background:var(--bg-2)}
.ln-btn-xl{min-height:58px;padding:12px 26px;font-size:19px}
.ln-btn[disabled]{opacity:.55;cursor:default}
:root[data-theme="dark"] .ln-btn:not(.ln-btn-soft){color:#0f191d}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-btn:not(.ln-btn-soft){color:#0f191d}}
.ln-say{appearance:none;display:inline-grid;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line-2);background:var(--surface);color:var(--accent-2);cursor:pointer;vertical-align:middle;padding:0}
.ln-say:hover{background:var(--accent-soft)}
.ln-say.is-playing,.ln-btn.is-playing,.desk-words-hear.is-playing{background:var(--accent-soft);color:var(--accent-2);border-color:var(--accent)}
.ln-say span{display:none}
.ln-say-big{width:auto;height:auto}
.ln-say-big span{display:inline}

/* section tabs */
.ln-tabs{display:flex;gap:8px;overflow-x:auto;padding:8px 2px 12px;margin:6px 0 4px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.ln-tabs a{display:inline-flex;align-items:center;gap:8px;flex:none;min-height:48px;padding:8px 16px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);font-weight:600;font-size:16px;text-decoration:none}
.ln-tabs a:hover{background:var(--bg-2)}
.ln-tabs a.is-on{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .ln-tabs a.is-on{color:#0f191d}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-tabs a.is-on{color:#0f191d}}

/* word of the day */
.ln-wotd{display:grid;gap:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow)}
.ln-wotd-pic{margin:0}
.ln-wotd-pic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;background:var(--bg-3)}
.ln figcaption,.ln-photo-credit{display:block;font-size:13.5px;line-height:1.45;color:var(--muted);margin-top:8px}
.ln-wotd-text{padding:0 6px 6px}
.ln-wotd-text{container-type:inline-size}
.ln-word{font-size:clamp(40px,14cqi,88px);line-height:1;margin:0;overflow-wrap:normal;word-break:normal;hyphens:none}
.ln-sound{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin:14px 0}
.ln-phon{font-family:var(--display);font-style:italic;font-size:24px;color:var(--ink-2)}
.ln-mean{font-size:21px;line-height:1.5;margin:0 0 14px}
.ln-pos{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2);font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;vertical-align:middle}
.ln{container-type:inline-size}
@container (min-width:620px){.ln-wotd{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);padding:18px;align-items:start}.ln-wotd-pic img{aspect-ratio:1/1}}

/* example sentences (hub and /words) */
.ln-sents{margin-top:24px}
.ln-sents h2{font-family:var(--display);font-weight:500;font-size:clamp(26px,3vw,32px);margin:0 0 8px}
.ln-sents ul,ul.ln-sents{list-style:none;margin:0;padding:0}
.ln-sents li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:10px 0;border-top:1px solid var(--line)}
.ln-sent-t{flex:1 1 220px;font-size:19px}
.ln-sent-t b{color:var(--accent-2)}
.ln-sent-by{font-size:13.5px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;padding:6px 0}

/* one-tap questions */
.ln-check{margin-top:26px;padding:18px;border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--line)}
.ln-check h2{font-family:var(--display);font-weight:500;font-size:26px;margin:0 0 4px}
.ln-q-ask{font-size:19px;font-weight:600;margin:0 0 10px}
.ln-q-opts{display:grid;gap:10px}
.ln-opt{appearance:none;text-align:left;min-height:52px;padding:12px 16px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);font:500 17.5px/1.4 var(--font);cursor:pointer}
.ln-opt:hover{border-color:var(--accent)}
.ln-opt.is-right{background:#dff1e4;border-color:var(--ok);color:#1d4a30}
.ln-opt.is-wrong{background:var(--danger-soft);border-color:var(--danger);color:var(--ink)}
:root[data-theme="dark"] .ln-opt.is-right{background:#1f3a2a;color:#d6f3df}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-opt.is-right{background:#1f3a2a;color:#d6f3df}}
.ln-q-opts.is-done .ln-opt:not(.is-right):not(.is-wrong){opacity:.6}
.ln-q-say{min-height:1.4em;margin:10px 0 0;font-weight:600;font-size:17px}
.ln-q-say.is-right{color:var(--ok)}
.ln-q-say.is-wrong{color:var(--danger)}
.ln-q-next{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.ln-quiz ol{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:q}
.ln-quiz .ln-q{padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);counter-increment:q}
.ln-quiz .ln-q-ask::before{content:counter(q) ". ";color:var(--accent)}
.ln-quiz h3{font-size:24px;margin:0 0 12px}
.ln-quiz-score{font-size:20px;font-weight:700;color:var(--accent-2);min-height:1.2em;margin:14px 0 0}
.ln-q-why{margin-top:8px;font-size:16px;color:var(--ink-2)}
.ln-q-why summary{cursor:pointer;color:var(--accent);min-height:40px;display:flex;align-items:center}
.js-learn .ln-q-why{display:none}
.js-learn .ln-q-why.is-open{display:block}

/* tiles and decks */
.ln-tiles,.ln-packs{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:16px}
.ln-tile>a,.ln-pack-tile>a{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.ln-tile>a:hover,.ln-pack-tile>a:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.ln-tile,.ln-pack-tile{display:flex;flex-direction:column}
.ln-tile-vis{display:block;aspect-ratio:16/10;background:var(--bg-3);overflow:hidden}
.ln-tile-vis img{width:100%;height:100%;object-fit:cover}
.ln-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;width:100%;height:100%;gap:2px}
.ln-mosaic img{width:100%;height:100%;object-fit:cover;min-height:0}
.ln-tile-body{display:flex;flex-direction:column;gap:4px;padding:14px 16px 16px}
.ln-tile-t{display:flex;align-items:center;gap:8px;font-family:var(--display);font-size:22px;font-weight:500;color:var(--ink)}
.ln-tile-t .ln-ic{color:var(--accent)}
.ln-tile-d{color:var(--ink-2);font-size:16.5px;line-height:1.45}
.ln-tile .ln-photo-credit,.ln-pack-tile .ln-photo-credit{padding:0 4px;font-size:12.5px}
.ln-decks{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(46%,170px),1fr));gap:12px}
.ln-deck{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s}
.ln-deck:hover{transform:translateY(-2px)}
.ln-deck .ln-vis{display:block;aspect-ratio:1/1;overflow:hidden;background:var(--bg-3)}
.ln-deck .ln-vis img,.ln-deck .ln-vis svg{width:100%;height:100%;object-fit:cover}
.ln-deck-t{font-weight:700;font-size:17.5px;padding:10px 12px 0}
.ln-deck-n{font-size:15px;color:var(--muted);padding:0 12px 12px}
.ln-draw{width:100%;height:auto;display:block}
.ln-sec-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.ln-sec-head .ln-h2{margin:0}

/* progress */
.ln-progress{background:linear-gradient(160deg,var(--accent-soft),var(--surface));border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px}
.ln-prog-grid{display:grid;gap:14px;align-items:center}
.ln-prog-big{display:flex;align-items:baseline;gap:12px}
.ln-prog-num{font-family:var(--display);font-size:72px;line-height:1;color:var(--accent-2)}
.ln-prog-lbl{font-size:20px;font-weight:600}
.ln-prog-stats{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.ln-prog-stats li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:16px}
.ln-prog-stats b{font-size:22px;color:var(--accent-2);margin-right:4px}
.ln-week{list-style:none;display:flex;gap:8px;padding:0;margin:16px 0 6px;flex-wrap:wrap}
.ln-week li{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:14px;color:var(--muted)}
.ln-week i{display:block;width:34px;height:34px;border-radius:50%;border:2px solid var(--line-2);background:var(--surface)}
.ln-week li.is-on i{background:var(--warm);border-color:var(--warm)}
.ln-week li.is-today{color:var(--ink);font-weight:700}
.ln-prog-note{color:var(--ink-2);margin:8px 0}
.ln-prog-btns{margin:12px 0 0}
.ln-share{margin-top:14px}
.ln-share canvas{width:100%;max-width:600px;height:auto;border-radius:16px;border:1px solid var(--line);display:block}
.ln-share-btns{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0}
.ln-share-msg{min-height:1.2em;color:var(--ok);font-weight:600}
@media (min-width:700px){.ln-prog-grid{grid-template-columns:auto 1fr}}

.ln-how{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.ln-how h2{font-size:26px;margin:0 0 10px}
.ln-how-list{margin:0;padding-left:22px;display:grid;gap:8px}

/* easy news */
.ln-easy-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:16px}
.ln-easy-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow)}
.ln-easy-vis{display:block;aspect-ratio:1200/630;background:var(--bg-3);overflow:hidden}
.ln-easy-vis img{width:100%;height:100%;object-fit:cover}
.ln-easy-body{display:flex;flex-direction:column;gap:6px;padding:14px 16px 16px}
.ln-chips{display:flex;flex-wrap:wrap;gap:6px}
.ln-chip{font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2)}
.ln-chip-b1{background:var(--warm-soft);color:var(--ink)}
.ln-easy-t{font-family:var(--display);font-size:22px;line-height:1.25}
.ln-easy-d{color:var(--ink-2);font-size:16.5px}
.ln-easy-date{color:var(--muted);font-size:14.5px}
.ln-levels{display:flex;gap:10px;margin:8px 0 18px;flex-wrap:wrap}
.ln-level-btn{display:flex;flex-direction:column;justify-content:center;min-height:58px;min-width:150px;padding:8px 18px;border-radius:16px;border:2px solid var(--line-2);background:var(--surface);color:var(--ink);text-decoration:none}
.ln-level-btn b{font-size:18px}
.ln-level-btn span{font-size:14px;color:var(--muted)}
.ln-level-btn.is-on{border-color:var(--accent);background:var(--accent-soft)}
.ln-easy-pic{margin:0 0 16px}
.ln-easy-pic img{width:100%;height:auto;border-radius:var(--radius);background:var(--bg-3)}
.ln-easy-title{font-size:clamp(30px,4.6vw,44px);line-height:1.12;margin:0 0 12px}
.ln-listen-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.ln-story{font-size:clamp(19px,2vw,21px);line-height:1.75;max-width:66ch}
.ln-story p{margin:0 0 1em;padding:4px 8px;margin-left:-8px;border-radius:10px;transition:background .3s}
.ln-story p.is-reading{background:var(--warm-soft)}
.ln-gl{appearance:none;border:0;background:none;padding:0 1px;font:inherit;color:inherit;border-bottom:2.5px dotted var(--accent);cursor:pointer}
.ln-gl:hover,.ln-gl[aria-expanded="true"]{background:var(--accent-soft)}
.ln-gl-pop{position:absolute;z-index:40;max-width:min(340px,90vw);background:var(--ink);color:var(--bg);padding:12px 14px;border-radius:14px;font-size:16.5px;line-height:1.45;box-shadow:var(--shadow-lg)}
.ln-gl-pop b{display:block;font-size:18px;margin-bottom:2px}
.ln-glossary{background:var(--bg-2);border-radius:var(--radius);padding:16px 18px}
.ln-glossary h3,.ln-glossary h2{font-size:24px;margin:0 0 8px}
.ln-glossary dl{margin:0;display:grid;gap:4px}
.ln-glossary dl>div{display:grid;gap:2px;padding:8px 0;border-top:1px solid var(--line)}
.ln-glossary dt{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.ln-glossary dt .ln-say{width:40px;height:40px}
.ln-glossary dd{margin:0 0 0 50px;color:var(--ink-2)}
.ln-orig{display:flex;gap:10px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-top:26px}
.ln-orig .ln-ic{color:var(--accent);margin-top:3px}
.ln-made{color:var(--muted);font-size:15.5px;margin-top:16px}

/* flash cards */
.ln-cards-app{margin-top:18px}
.ln-cards-stage{max-width:560px;margin:0 auto}
.ln-card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:15.5px;margin-bottom:8px;flex-wrap:wrap}
.ln-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;cursor:pointer;width:100%;padding:0;text-align:left;font:inherit;color:inherit;display:block}
.ln-card .ln-card-vis{display:block;aspect-ratio:4/3;background:var(--bg-3);overflow:hidden}
.ln-card .ln-card-vis img,.ln-card .ln-card-vis svg{width:100%;height:100%;object-fit:cover}
.ln-card-q{display:block;padding:16px 18px 18px;font-size:19px;color:var(--ink-2);text-align:center}
.ln-card-back{padding:16px 18px 18px;cursor:default}
.ln-card-word{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:clamp(38px,7vw,52px);line-height:1.05;margin:0 0 6px}
.ln-card-mean{font-size:19px;margin:0 0 8px}
.ln-card-ex{display:flex;align-items:center;gap:10px;font-style:italic;color:var(--ink-2);margin:0 0 8px}
.ln-card-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.ln-card-btns .ln-btn{min-height:60px;font-size:18px}
.ln-btn-miss{background:var(--warm-soft);color:var(--ink)}
.ln-btn-miss:hover{background:var(--warm);color:#fff}
.ln-card-done{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 20px}
.ln-card-done h2{font-size:30px;margin:0 0 8px}
.ln-rank{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);font-weight:600}
.ln-rank .ln-ic{width:16px;height:16px;color:var(--warm)}
.ln-word-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:14px}
.ln-word-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.ln-word-card>.ln-vis{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--bg-3)}
.ln-word-card>.ln-vis img,.ln-word-card>.ln-vis svg{width:100%;height:100%;object-fit:cover}
.ln-word-card>.ln-photo-credit{padding:0 12px;font-size:12.5px;margin-top:6px}
.ln-word-body{padding:10px 14px 14px}
.ln-word-w{display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:700;font-size:22px;margin:0 0 4px}
.ln-word-m{margin:0 0 6px;font-size:16.5px}
.ln-word-ex{display:flex;align-items:center;gap:8px;font-style:italic;color:var(--ink-2);font-size:16px;margin:0 0 6px}
.ln-word-ex .ln-say{width:38px;height:38px}

/* chips */
.ln-chipset{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 16px}
.ln-chipset-scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
.ln-chip-btn{appearance:none;display:inline-flex;flex-direction:column;justify-content:center;flex:none;min-height:48px;padding:6px 16px;border-radius:14px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);font:600 16.5px/1.25 var(--font);cursor:pointer;text-decoration:none}
.ln-chip-btn small{font-weight:500;color:var(--muted);font-size:13px}
.ln-chip-btn.is-on{border-color:var(--accent);background:var(--accent-soft)}

/* speak */
.ln-speak-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 18px;box-shadow:var(--shadow);text-align:center}
.ln-speak-count{color:var(--muted);font-size:15.5px;margin:0 0 6px}
.ln-speak-line{font-family:var(--display);font-size:clamp(28px,4.6vw,40px);line-height:1.25;margin:0 0 18px}
.ln-speak-line .w-ok{color:var(--ok);background:#dff1e4;border-radius:6px}
.ln-speak-line .w-miss{color:var(--danger);text-decoration:underline wavy;text-underline-offset:6px}
:root[data-theme="dark"] .ln-speak-line .w-ok{background:#1f3a2a}
.ln-speak-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.ln-speak-btns .is-listening{background:var(--danger);animation:ln-pulse 1.2s infinite}
@keyframes ln-pulse{50%{box-shadow:0 0 0 10px color-mix(in srgb,var(--danger) 18%,transparent)}}
@media (prefers-reduced-motion:reduce){.ln-speak-btns .is-listening{animation:none}}
.ln-speak-heard{min-height:1.4em;margin:16px 0 0;font-size:18px;color:var(--ink-2)}
.ln-speak-heard b{color:var(--ink)}
.ln-speak-nav{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:14px 0 0}
.ln-speak-help{text-align:center;color:var(--muted)}
.ln-speak-list,.ln-phrase-list{list-style:none;margin:0;padding:0}
.ln-speak-list li,.ln-phrase-list li{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:19px}
.ln-phrase{display:flex;flex-direction:column;gap:2px}
.ln-phrase b{font-size:20px;font-weight:600}
.ln-phrase small{font-size:16px;color:var(--muted)}

/* tutor */
.ln-tutor-lbl{font-weight:700;margin:6px 0 4px}
.ln-chat{display:flex;flex-direction:column;gap:12px;min-height:220px;max-height:62vh;overflow-y:auto;padding:16px;background:var(--bg-2);border-radius:var(--radius);border:1px solid var(--line)}
.ln-msg{max-width:88%;padding:12px 16px;border-radius:20px;font-size:18px;line-height:1.5;position:relative}
.ln-msg p{margin:0}
.ln-msg-tutor{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:6px;padding-right:58px}
.ln-msg-me{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:6px}
:root[data-theme="dark"] .ln-msg-me{color:#0f191d}
.ln-msg-say{position:absolute;right:8px;top:8px;width:40px;height:40px}
.ln-fix{margin-top:8px!important;padding:8px 10px;border-radius:12px;background:var(--warm-soft);font-size:16.5px}
.ln-fix b{display:block;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.ln-msg.is-wait p{color:var(--muted)}
.ln-chat-form{display:grid;gap:10px;margin-top:12px}
.ln-chat-form textarea{width:100%;min-height:64px;padding:14px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);font-size:18px;resize:vertical}
.ln-chat-btns{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.ln-chat-note{color:var(--muted);font-size:15px}

/* phrase packs */
.ln-pack-hero{display:grid;gap:18px;align-items:center;margin-top:6px}
.ln-pack-hero figure{margin:0}
.ln-pack-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius)}
.ln-pack-hero h1{font-size:clamp(30px,5vw,44px);margin:0 0 10px}
.ln-pack-btns{display:flex;flex-wrap:wrap;gap:10px}
@media (min-width:900px){.ln-pack-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.ln-note{background:var(--warm-soft);border-radius:var(--radius);padding:12px 16px;font-weight:600}
.ln-practice-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
.ln-practice-when{font-size:21px;font-family:var(--display);margin:0 0 12px}

/* grammar */
.ln-topics{list-style:none;margin:0;padding:0;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.ln-topics a{display:flex;flex-direction:column;gap:4px;height:100%;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:inherit}
.ln-topics a:hover{border-color:var(--accent)}
.ln-topic-lv{align-self:flex-start;font-size:13px;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2)}
.ln-topic-t{font-family:var(--display);font-size:22px}
.ln-topic-d{color:var(--ink-2);font-size:16px}
.ln-topic-best{color:var(--ok);font-weight:700;font-size:15px}
.ln-rules{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));margin-top:18px}
.ln-rule{margin:0!important;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.ln-rule h2{font-size:22px;margin:0 0 6px}
.ln-rule ul{list-style:none;margin:8px 0 0;padding:0}
.ln-rule li{display:flex;align-items:center;gap:10px;padding:5px 0;font-style:italic;color:var(--ink-2)}
.ln-rule li .ln-say{width:38px;height:38px}

/* kids */
.ln-hero-kids h1{color:var(--accent-2)}
.ln-kids-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(46%,180px),1fr));gap:14px}
.ln-kid{appearance:none;display:flex;flex-direction:column;padding:0;border:3px solid var(--line);border-radius:24px;overflow:hidden;background:var(--surface);cursor:pointer;font:inherit;color:inherit;transition:transform .15s,border-color .15s}
.ln-kid:hover{border-color:var(--warm)}
.ln-kid.is-playing{transform:scale(1.04);border-color:var(--warm)}
.ln-kid-vis{display:block;aspect-ratio:1/1;overflow:hidden;background:var(--bg-3)}
.ln-kid-vis img,.ln-kid-vis svg{width:100%;height:100%;object-fit:cover}
.ln-kid-w{display:block;font-size:24px;font-weight:700;padding:10px;text-align:center}
.ln-kids-game{background:var(--warm-soft);border-radius:var(--radius-lg);padding:18px}
.ln-game-ask{font-size:24px;font-weight:700;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.ln-game-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:12px 0}
.ln-game-row .ln-kid-w{display:none}
.ln-game-row .ln-kid.is-right{border-color:var(--ok);transform:scale(1.04)}
.ln-game-row .ln-kid.is-wrong{animation:ln-shake .4s}
@keyframes ln-shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.ln-game-say{font-size:22px;font-weight:700;min-height:1.3em;color:var(--accent-2)}
.ln-game-stars{font-size:24px;color:var(--warm);font-weight:700}
.ln-kid-credits{margin-top:20px;font-size:14px;color:var(--muted)}
.ln-kid-credits summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--accent)}
.ln-kid-credits ul{padding-left:18px;margin:0}

/* footer strip */
.ln-foot{margin-top:36px!important;border-top:1px solid var(--line);padding-top:18px}
.ln-strip{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}
.ln-strip-ic{color:var(--warm);display:flex}
.ln-strip span[data-ln-strip-text]{flex:1 1 220px}
.ln-credits{color:var(--muted);font-size:14px;line-height:1.55;margin:14px 0 0}

/* words desk additions */
.desk-words .ln-sents,.desk-words .ln-check{max-width:820px}
.desk-words-hear{display:inline-flex;align-items:center;gap:8px;min-height:44px}