/* Chinese to Pinyin — site styles. Same look as before (blue #2458d6, white cards, rounded corners); the
   sidebar is gone: one thin top bar, the tool, then the text. */
:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#eef3fb;--blue:#2458d6;--blue-dark:#193f9d;--line:#dce4f0;--muted:#68758a;--ink:#172033;--ctp-hanzi-size:26px;--ctp-pinyin-size:12px;--ctp-english-size:13px;--t1:#d93f3f;--t2:#d9830b;--t3:#1f9d55;--t4:#7b4fd6;--t5:#7a869a}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#eef3fb}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:var(--blue)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hidden{display:none!important}
.muted{color:var(--muted)}
.fine{font-size:12px}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:960px;margin:auto;height:54px;padding:0 clamp(14px,4vw,28px);display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:14px;color:var(--ink);text-decoration:none;white-space:nowrap}
.mark{border-radius:50%;width:30px;height:30px;display:block;flex:none}
.topnav{display:flex;align-items:center;gap:4px}
.topnav a{color:#5b687b;text-decoration:none;font-size:14px;font-weight:650;padding:8px 12px;border-radius:9px;white-space:nowrap}
.topnav a:hover,.topnav a.current{background:#e8efff;color:var(--blue)}
.topnav .gear{font-size:17px;padding:6px 10px;color:#7d8aa0}

/* page */
.page-main{max-width:820px;margin:0 auto;padding:clamp(22px,5vw,44px) clamp(14px,4vw,28px) 40px}
.hero{text-align:center;margin:0 0 20px}
.hero h1{font-size:clamp(25px,5vw,34px);letter-spacing:-.03em;margin:0 0 8px;line-height:1.15}
.hero .sub{margin:0;color:#4a586e;font-size:clamp(15px,2.6vw,17px)}
body[data-view]:not([data-view="converter"]) .hero,body[data-view]:not([data-view="converter"]) .seo{display:none}
.view{display:none}
.view.active{display:block}
.view-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 16px}
.view-title{font-size:26px;letter-spacing:-.03em;margin:0}
.view-head p{margin:4px 0 0;font-size:13px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 25px rgba(31,54,104,.05);padding:clamp(16px,3vw,22px)}

/* converter */
.converter textarea{display:block;width:100%;min-height:128px;resize:vertical;border:0;border-bottom:2px solid var(--blue);outline:none;font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:22px;line-height:1.6;color:var(--ink);background:transparent;padding:2px 0}
.converter textarea::placeholder{color:#9aa6b8}
.source-actions{display:flex;align-items:center;gap:14px;padding:10px 0 2px}
.spacer{flex:1}
.link-btn{border:0;background:transparent;color:var(--blue);font-size:14px;font-weight:700;padding:6px 0}
.link-btn:hover{text-decoration:underline}
.sample{margin:16px 0 2px;padding:14px 16px 12px;border:1px dashed #c4d2ea;border-radius:14px;background:#f8fbff}
.sample-label{margin:0 0 6px;font-size:12px;font-weight:750;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.sample-line{display:flex;flex-wrap:wrap;gap:6px 18px;padding:6px 0}
.sample-line .w{cursor:default}
.sample-formats{margin:6px 0 0;font-size:13px;color:#586579}
.sample-formats b{color:#1e50c6;font-weight:700}
.result{padding-top:14px}
.result-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.toggle-row{display:flex;flex-wrap:wrap;gap:8px}
.toggle-chip{height:34px;padding:0 14px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:13px;font-weight:650}
.toggle-chip.is-on{border-color:#8eb0ff;background:#e8efff;color:var(--blue)}
.style-pick select{height:34px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#27364e;padding:0 10px;font-size:13px;font-weight:600;max-width:100%}
.interlinear-output{min-height:120px;max-height:min(60vh,520px);overflow:auto;padding:16px 2px 6px;margin-top:12px;border-top:1px solid var(--line);border-bottom:2px solid var(--blue);line-height:1}
.chunk{display:inline-block;vertical-align:top;max-width:100%;margin:0 6px 18px 0}
.gloss-en{margin-bottom:8px;color:#3a4a63;font-size:var(--ctp-english-size);line-height:1.4;overflow-wrap:anywhere;font-style:italic}
.gloss-line{display:inline-flex;flex-wrap:wrap;align-items:flex-start;row-gap:10px;white-space:pre-wrap}
.w{position:relative;display:inline-flex;flex-direction:column;align-items:center;text-align:center;padding:2px 3px 3px;margin:0 1px;border-radius:8px;vertical-align:top}
.w-py{color:var(--blue);font-size:var(--ctp-pinyin-size);font-weight:650;line-height:1.35;white-space:nowrap}
.w-zh{font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:var(--ctp-hanzi-size);line-height:1.3;color:var(--ink);white-space:pre}
.w-en{max-width:9em;margin-top:2px;color:#5d6b80;font-size:var(--ctp-english-size);line-height:1.25;overflow-wrap:anywhere}
.w.plain{padding-left:0;padding-right:0}
.w.plain .w-py{min-height:1.35em}
.w.plain .w-zh{color:#46536a}
.br{display:block;flex-basis:100%;height:0}
.w-hit{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;border-radius:8px;padding:0;cursor:pointer}
.w-hit:hover,.w.open .w-hit{background:rgba(36,88,214,.08)}
.w-hit:focus-visible{outline:2px solid var(--blue)}
.w.has-alt .w-py{text-decoration:underline dotted #8aa2d8;text-underline-offset:3px}
.hide-hanzi .w-zh,.hide-pinyin .w-py,.hide-english .w-en,.hide-english .gloss-en{display:none}
.hide-hanzi .w.plain .w-py,.hide-pinyin .w.plain .w-zh{display:block}
.hide-hanzi .w-py{font-size:calc(var(--ctp-pinyin-size) * 1.5)}
.hide-pinyin .w-zh{font-size:var(--ctp-hanzi-size)}
.tone-colors .t1{color:var(--t1)}.tone-colors .t2{color:var(--t2)}.tone-colors .t3{color:var(--t3)}.tone-colors .t4{color:var(--t4)}.tone-colors .t5{color:var(--t5)}
.tone-colors .w-zh{color:var(--ink)}
.hint{margin:10px 0 0;font-size:13px;color:var(--muted)}
.result-actions{display:flex;align-items:center;gap:10px;margin-top:16px}
.primary,.secondary{border-radius:10px;min-height:44px;padding:0 18px;font-weight:700;font-size:15px}
.primary{border:0;background:var(--blue);color:#fff}
.primary:hover{background:var(--blue-dark)}
.secondary{border:1px solid var(--line);background:#fff;color:#27364e}
.secondary:hover{background:#f7f9fd}
.icon-btn{width:44px;padding:0;font-size:20px;line-height:1}
.more{position:relative}
.menu{position:absolute;left:0;bottom:calc(100% + 6px);z-index:15;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px rgba(31,54,104,.18);padding:6px;display:grid}
.menu button{border:0;background:transparent;text-align:left;padding:11px 12px;border-radius:8px;font-size:14px;color:#27364e}
.menu button:hover{background:#f0f4fd}
.status{margin:10px 0 0;color:#157a51;min-height:1.2em;font-size:13px}
.status.error{color:#b74141}

/* word card */
.word-card{position:absolute;z-index:40;width:min(320px,calc(100vw - 16px));background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(31,54,104,.24);padding:14px 16px 14px}
.word-card.sheet{position:fixed;left:8px;right:8px;bottom:8px;top:auto;width:auto;z-index:60;border-radius:16px;padding-bottom:18px}
.wc-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.wc-zh{font-family:"PingFang SC","Noto Sans SC",sans-serif;font-size:30px;line-height:1.2}
.wc-py{color:var(--blue);font-weight:700;font-size:18px}
.wc-en{margin:6px 0 10px;color:#3a4a63;font-size:15px;line-height:1.4}
.wc-en.none{color:var(--muted);font-size:13px}
.wc-actions{display:flex;gap:8px;flex-wrap:wrap}
.wc-actions .secondary{min-height:38px;font-size:14px;padding:0 13px}
.wc-readings{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}
.wc-char{font-size:22px;font-family:"PingFang SC","Noto Sans SC",sans-serif}
.wc-label{font-size:12px;color:var(--muted)}
.wc-note{margin:8px 0 0;font-size:12px;color:var(--muted)}
.cand{min-width:32px;height:32px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:15px}
.cand:hover{border-color:#8eb0ff;background:#eef3ff}
.cand.active{border-color:#8eb0ff;background:#e8efff;color:var(--blue);font-weight:700}

/* pinyin keyboard */
.composer{margin:8px 0 0;padding:10px;border:1px solid var(--line);border-radius:12px;background:#f7f9fe}
.composer-row{display:flex;gap:6px}
.composer-row input{flex:1;min-width:0;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:15px}
.composer-row input:focus{outline:2px solid #c7d8ff;border-color:#8eb0ff}
.composer-row button{height:40px;min-height:40px;white-space:nowrap;font-size:14px}
.composer-row button:disabled{opacity:.45;cursor:default}
.composer-preview{min-height:38px;margin-top:8px;font-family:"PingFang SC","Noto Sans SC",sans-serif;font-size:22px;line-height:1.45;color:var(--ink);overflow-wrap:anywhere}
.composer-preview:empty:before{content:attr(data-placeholder);color:#b3bdcc}
.composer-preview .seg{padding:0 1px;margin:0;border:0;border-bottom:2px dotted #b8c7e6;border-radius:3px 3px 0 0;background:transparent;color:inherit;font:inherit;cursor:pointer}
.composer-preview .seg:hover{background:#eef3ff}
.composer-preview .seg.active{border-bottom:2px solid var(--blue);background:#e8efff}
.composer-candidates{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}
.composer-candidates:empty{display:none}
.composer-candidates .cand{font-family:"PingFang SC","Noto Sans SC",sans-serif;font-size:17px}
.composer-candidates .cand.split{border-style:dashed;color:var(--muted);font-family:inherit;font-size:12px;font-weight:650}

/* My words */
.exports{display:flex;gap:9px;flex-wrap:wrap}
.exports .secondary{min-height:40px;font-size:14px}
.exports .secondary:disabled{opacity:.45;cursor:default}
.vocab-row{display:grid;grid-template-columns:1fr 1fr 2fr auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.vocab-row:last-child{border:0}
.vocab-row .hanzi{font-size:21px;font-family:"PingFang SC","Noto Sans SC",sans-serif}
.vocab-row .py{color:var(--blue)}
.vocab-row .meaning{color:#4f5c70}
.row-actions{display:flex;gap:6px}
.icon{border:0;background:#f1f5fc;color:#52617a;border-radius:8px;padding:7px 9px}
.empty{color:var(--muted);padding:26px 4px;margin:0}

/* practice */
.exercise-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.exercise-tabs button,.formats button{border:1px solid var(--line);border-radius:9px;background:#fff;color:#4d5c71;padding:9px 13px}
.exercise-tabs button.active,.formats button.active{background:#e8efff;border-color:#b9ccff;color:var(--blue);font-weight:750}
.exercise-card{max-width:620px}
.prompt{font-size:36px;min-height:68px;margin:6px 0 18px;font-family:"PingFang SC","Noto Sans SC",sans-serif}
.exercise-card input{display:block;width:100%;border:1px solid var(--line);border-radius:10px;padding:13px;margin-bottom:14px;font-size:16px}
.exercise-card #next{float:right}
.exercise-card::after{content:"";display:block;clear:both}
.feedback{min-height:30px;margin:14px 0;color:#157a51}
.feedback.wrong{color:#b74141}
.reveal{margin:10px 0 18px;padding:14px;border-radius:12px;background:#f5f8fd;line-height:1.8}
.reveal .hanzi{font-size:26px}
.reveal-pinyin{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 6px}
.reveal-way{display:inline-flex;flex-direction:column;gap:2px;padding:6px 10px;border-radius:10px;background:#fff;border:1px solid var(--line)}
.reveal-way code{font-family:ui-monospace,SFMono-Regular,monospace;font-weight:650;font-size:15px;color:#1e50c6}
.reveal-way small{font-size:10px;font-weight:750;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.reveal-meaning{color:#3a4a63}
.tone-guide{margin:2px 0 16px;padding:14px 16px;border-radius:14px;background:#f5f8fd;border:1px solid var(--line)}
.tone-guide p{margin:0 0 12px;font-size:13px;color:#3a4a63;line-height:1.5}
.tone-guide b{color:var(--ink)}
.tone-guide code{background:#fff;padding:2px 7px;border-radius:6px;color:#1e50c6;font-weight:650;font-family:ui-monospace,SFMono-Regular,monospace;border:1px solid var(--line)}
.tone-table{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.tone-table div{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px;border-radius:10px;background:#fff;border:1px solid var(--line)}
.tone-mark{font-size:21px;font-weight:700;color:var(--blue)}
.tone-num{font-size:11px;color:var(--muted);font-weight:750}
.mic-visualizer{display:none;align-items:center;gap:10px;margin:12px 0;padding:9px 13px;border-radius:10px;background:#f1f5fc;color:var(--blue);font-size:12px;font-weight:650}
.mic-visualizer:not(.hidden){display:flex}
.mic-bars{display:flex;align-items:center;gap:3px;height:20px}
.mic-bars i{display:block;width:3px;height:100%;border-radius:2px;background:var(--blue);transform:scaleY(.15);transition:transform .09s ease-out}

/* settings */
.setting{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.setting:last-child{border:0}
.setting>span{font-weight:650;display:grid;gap:2px}
.setting small{font-weight:500;color:var(--muted);font-size:12px}
.size-setting{align-items:flex-start}
.size-controls{display:grid;gap:8px;min-width:235px}
.size-controls>div{display:flex;align-items:center;justify-content:flex-end;gap:8px}
.size-controls label{margin-right:auto;color:var(--muted);font-size:13px}
.size-controls button{width:30px;height:30px;border:1px solid var(--line);border-radius:8px;background:#fff}
.size-controls output{min-width:42px;text-align:center;font-size:13px}
.formats{display:flex;flex-wrap:wrap;gap:6px}
.switch{width:43px;height:25px;border:0;border-radius:20px;background:#c9d4e7;position:relative;flex:none}
.switch:after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:#fff;transition:left .18s}
.switch.on{background:var(--blue)}
.switch.on:after{left:21px}
.user-pill{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-radius:10px;background:#f8fbff}
.user-name{font-size:13px;font-weight:650}
.logout-btn{border:0;background:transparent;color:var(--muted);padding:4px 6px;border-radius:6px}
.logout-btn:hover{background:#f1f5fc;color:#b74141}

/* text under the tool */
.seo{margin-top:34px;color:#3b475a;font-size:15.5px;line-height:1.7}
.seo h2{font-size:20px;margin:30px 0 8px;letter-spacing:-.01em;color:var(--ink)}
.seo p{margin:0 0 12px;max-width:70ch}
.seo ul,.seo ol{margin:0 0 14px;padding-left:1.3em;max-width:70ch}
.seo li{margin:4px 0}
.seo code{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.92em}
.seo .table-wrap{overflow-x:auto;margin:12px 0 14px}
.seo table{border-collapse:collapse;width:100%;font-size:14.5px;background:#fff;border:1px solid var(--line);border-radius:10px}
.seo th,.seo td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
.seo th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.seo .zh{font-size:18px}
.seo .py{color:var(--blue);font-weight:650}
.seo .steps{padding-left:1.4em}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:0 16px;max-width:70ch}
.faq summary{cursor:pointer;font-weight:650;padding:13px 0}
.faq details p{margin:0 0 14px}
.example{margin:12px 0;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;display:inline-block}
.example-zh{font-size:22px}.example-py{color:var(--blue);font-weight:650}
.site-footer.app-footer{border-top:1px solid var(--line);background:#fff;margin-top:20px}
.app-footer .wrap{max-width:820px;margin:auto;padding:22px clamp(14px,4vw,28px)}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 0 10px;font-size:14px}
.foot-links a{color:var(--blue);text-decoration:none;font-weight:600}
.foot-links a:hover{text-decoration:underline}
.foot-note{margin:6px 0 0;font-size:12px;color:var(--muted)}

/* tool pages (keyboard, counter, converter between scripts …) share these */
.tool-grid{display:grid;gap:12px}
.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tool-actions .secondary,.tool-actions .primary{min-height:40px;font-size:14px}
.tool-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:14px}
.stat{background:#f5f8fd;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.stat b{display:block;font-size:24px;letter-spacing:-.02em}
.stat span{font-size:12px;color:var(--muted)}
.tool-field{display:block;width:100%;min-height:130px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-family:"PingFang SC","Noto Sans SC",sans-serif;font-size:20px;line-height:1.55;background:#fff;color:var(--ink)}
.tool-field:focus{outline:2px solid #c7d8ff;border-color:#8eb0ff}
.tool-label{display:block;margin:0 0 6px;font-size:12px;font-weight:750;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.tool-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.seg-control{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.seg-control button{border:0;background:transparent;padding:9px 14px;font-size:14px;font-weight:650;color:#4d5c71}
.seg-control button.active{background:#e8efff;color:var(--blue)}
.name-results{display:grid;gap:10px;margin-top:14px}
.name-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.name-card .big{font-size:22px;font-weight:750;letter-spacing:-.01em}
.name-card .small{color:var(--muted);font-size:13px;margin-top:2px}
.mini-converter .card{margin:0 0 18px}

@media(max-width:680px){
  .topnav a{padding:8px 8px;font-size:13px}
  .brand-name{font-size:13px}
  .topbar-in{gap:6px}
  .hero{text-align:left}
  .converter textarea{font-size:20px;min-height:116px}
  .view-head{display:block}.view-head .exports{margin-top:12px}
  .vocab-row{grid-template-columns:1fr 1fr auto}.vocab-row .meaning{grid-column:1 / -1}
  .setting{display:block}.setting .formats,.setting .size-controls,.setting #account-area{margin-top:12px}.setting .switch{float:right;margin-top:-26px}
  .size-controls{min-width:0}
  .menu{min-width:min(280px,calc(100vw - 48px))}
  .w-en{max-width:7em}
  .tone-guide{padding:12px}.tone-mark{font-size:18px}
  .result-actions .primary{flex:1}
}

/* the result → print / save as PDF */
@media print{
  body.print-result .topbar,body.print-result .hero,body.print-result .seo,body.print-result .site-footer,body.print-result .source-actions,body.print-result #source,body.print-result .result-bar,body.print-result .result-actions,body.print-result .hint,body.print-result .sample,body.print-result .next-steps,body.print-result .composer,body.print-result .promo,body.print-result .status,body.print-result .hsk-legend,body.print-result .view:not(#view-converter){display:none!important}
  body.print-result{background:#fff}
  body.print-result .card{border:0;box-shadow:none;padding:0}
  body.print-result .interlinear-output{max-height:none;overflow:visible;border:0}
  body.print-result .page-main{padding:0;max-width:none}
}
/* My words → print / save as PDF */
@media print{
  body.print-words .topbar,body.print-words .hero,body.print-words .seo,body.print-words .site-footer,body.print-words .view:not(#view-words),body.print-words .exports,body.print-words .row-actions,body.print-words #sync-note{display:none!important}
  body.print-words{background:#fff}
  body.print-words .card{border:0;box-shadow:none;padding:0}
  body.print-words #view-words{display:block}
  body.print-words .page-main{padding:0;max-width:none}
  body.print-words .vocab-row{break-inside:avoid;grid-template-columns:1fr 1fr 2fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* HSK levels (Settings → Underline HSK words) */
.show-hsk .w[data-hsk] .w-zh{box-shadow:inset 0 -3px 0 var(--hsk,transparent)}
.w[data-hsk="1"],.hsk-legend i[data-hsk="1"]{--hsk:#2fa866}.w[data-hsk="2"],.hsk-legend i[data-hsk="2"]{--hsk:#1fa3b8}.w[data-hsk="3"],.hsk-legend i[data-hsk="3"]{--hsk:#3c78e0}
.w[data-hsk="4"],.hsk-legend i[data-hsk="4"]{--hsk:#7b5bd6}.w[data-hsk="5"],.hsk-legend i[data-hsk="5"]{--hsk:#e08a1e}.w[data-hsk="6"],.hsk-legend i[data-hsk="6"]{--hsk:#d9473f}
.hsk-legend{display:flex;align-items:center;gap:6px;margin-top:10px;font-size:12px;color:var(--muted)}
.hsk-legend i{font-style:normal;padding:1px 9px;border-radius:999px;border-bottom:3px solid var(--hsk);background:#f5f8fd;color:#46546a;font-weight:700}
.sample-limit{margin:4px 0 0;font-size:12px;color:var(--muted)}
#gloss-lang{height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 10px;font-size:14px;max-width:100%}

/* translator pages */
.pt-out{margin-top:6px}
.pt-block{margin:18px 0 0}
.pt-h{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-weight:750}
.pt-rows{display:grid;gap:8px}
.pt-row{display:grid;grid-template-columns:minmax(80px,auto) minmax(90px,auto) 1fr auto;align-items:center;gap:10px;padding:10px 14px;background:#f8fbff;border:1px solid var(--line);border-radius:12px}
.pt-zh{font-size:24px;font-family:"PingFang SC","Noto Sans SC",sans-serif}
.pt-py{color:var(--blue);font-weight:700}
.pt-en{color:#4f5c70;font-size:14px}
.pt-row .row-actions .secondary{min-height:34px;padding:0 10px;font-size:13px}
.pt-group{margin:0 0 14px}
.pt-sentence{margin:14px 0 0;padding:10px 14px;background:#fff8e8;border:1px solid #f0dfb4;border-radius:10px;font-size:14px}
.pt-annotated{max-height:none}
.pt-link{display:inline-flex;align-items:center;text-decoration:none;color:var(--blue)}
@media(max-width:680px){.pt-row{grid-template-columns:auto 1fr;}.pt-en{grid-column:1 / -1}.pt-row .row-actions{grid-column:1 / -1}}
.soft{border:0;border-top:1px solid var(--line);margin:22px 0 16px}
.zy-big{font-size:26px;margin:12px 0 0;min-height:1.4em;letter-spacing:.04em}

/* pinyin chart and trainer */
.chart-tool .tool-row{justify-content:space-between}
.chart-demo{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0 6px;padding:10px 12px;background:#f5f8fd;border:1px solid var(--line);border-radius:12px}
.chart-demo .tool-label{margin:0}
.chart-scroll{overflow:auto;max-height:70vh;border:1px solid var(--line);border-radius:12px;margin-top:12px;background:#fff}
.chart{border-collapse:separate;border-spacing:0;font-size:14px}
.chart th{position:sticky;top:0;z-index:2;background:#f5f8fd;padding:6px 8px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap}
.chart th.row-h,.chart th.corner{left:0;z-index:3;border-right:1px solid var(--line);font-size:14px;color:var(--ink)}
.chart td{padding:2px;border-bottom:1px solid #eef2f9;text-align:center}
.chart-cell{display:grid;gap:0;min-width:56px;border:0;background:transparent;border-radius:8px;padding:4px 6px;line-height:1.15}
.chart-cell:hover,.chart-cell:focus-visible{background:#e8efff;outline:none}
.chart-cell small{font-size:11px;color:var(--muted);font-family:"PingFang SC","Noto Sans SC",sans-serif}
.chart-cell.demo{min-width:62px;background:#fff;border:1px solid var(--line)}
.ct{font-weight:700;font-size:15px}
.ct.t1{color:var(--t1)}.ct.t2{color:var(--t2)}.ct.t3{color:var(--t3)}.ct.t4{color:var(--t4)}
.trainer-card{max-width:640px;margin:auto}
.trainer-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.trainer-score{font-size:13px;color:var(--muted)}
.trainer-q{margin:18px 0 6px;text-align:center}
.trainer-play{min-width:180px;min-height:60px;font-size:18px}
.trainer-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}
.trainer-opt{min-height:64px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:22px;font-weight:700;color:var(--ink)}
.trainer-opt:hover:not(:disabled){border-color:#8eb0ff;background:#eef3ff}
.trainer-opt.right{border-color:#2fa866;background:#e8f7ef;color:#157a51}
.trainer-opt.wrong{border-color:#d9473f;background:#fdeceb;color:#b74141}
.trainer-reveal{min-height:44px;text-align:center;color:#3a4a63}
.trainer-reveal b{font-size:22px;font-family:"PingFang SC","Noto Sans SC",sans-serif}
#chart-ma{display:flex;gap:8px;flex-wrap:wrap}
.muted-link{color:var(--muted);font-weight:600}

.seo.doc{margin-top:8px}
.latin-help{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:8px 0 0;padding:8px 12px;border-radius:10px;background:#f3f6fc;border:1px solid var(--line);font-size:14px;color:#46546a}
.latin-help .link-btn{padding:2px 0}

/* ── every clickable thing: blue with white text, another colour under the mouse ───────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border:1px solid var(--blue);border-radius:10px;background:var(--blue);color:#fff;font:inherit;font-size:15px;font-weight:700;line-height:1;cursor:pointer;text-decoration:none;transition:background .12s,transform .12s,box-shadow .12s}
.btn:hover{background:#0f2f86;border-color:#0f2f86;box-shadow:0 6px 16px rgba(36,88,214,.32);transform:translateY(-1px)}
.btn:active{transform:none;box-shadow:none}
.btn:focus-visible{outline:3px solid #9db8ff;outline-offset:2px}
.btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.btn:disabled{opacity:.45;cursor:default;transform:none;box-shadow:none}
.btn-sm{min-height:36px;padding:0 13px;font-size:14px}
.btn-big{min-height:56px;padding:0 28px;font-size:18px;border-radius:12px}
.btn.toggle{background:#fff;color:var(--blue)}
.btn.toggle:hover{background:#e3ecff;color:#0f2f86;box-shadow:none}
.btn.toggle.on{background:var(--blue);color:#fff}
.btn.toggle.on:hover{background:#0f2f86}
.btn-primary{background:#0f7a4a;border-color:#0f7a4a}.btn-primary:hover{background:#0a5a36;border-color:#0a5a36;box-shadow:0 6px 16px rgba(15,122,74,.3)}
.btn.hidden{display:none!important}
.toggle-chip{border-color:var(--blue);color:var(--blue);cursor:pointer;transition:background .12s}
.toggle-chip:hover{background:#d9e5ff;color:#0f2f86}
.toggle-chip.is-on{background:var(--blue);color:#fff;border-color:var(--blue)}
.toggle-chip.is-on:hover{background:#0f2f86}
.menu button{cursor:pointer;color:#fff;background:var(--blue);margin:2px 0;font-weight:650}
.menu button:hover{background:#0f2f86}
.topnav a:hover{background:var(--blue);color:#fff}
.foot-links a{padding:4px 10px;border-radius:8px;transition:background .12s}
.foot-links a:hover{background:var(--blue);color:#fff;text-decoration:none}
.interlinear-output .w-hit{cursor:pointer;transition:background .12s}
.interlinear-output .w-hit:hover{background:#d9e5ff;border-radius:8px}
.formats button,.exercise-tabs button,.cand,.composer .seg{cursor:pointer}
.formats button:hover,.cand:hover,.composer .seg:hover{background:#d9e5ff}
.source-actions{flex-wrap:wrap;gap:10px}
.local-note{margin:8px 2px 0;font-size:13px;color:var(--muted)}
.result-actions{flex-wrap:wrap;gap:10px}
.menu{bottom:auto;top:calc(100% + 6px)}
.latin-help{display:grid;gap:12px;padding:16px;margin:14px 0 0;background:#eef3ff;border:1px solid #c6d5f7;border-radius:14px}
.latin-help p{margin:0;font-size:15px;color:#27364e;font-weight:600}
.latin-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:600px){.latin-actions .btn-big{width:100%}.source-actions .spacer{display:none}.source-actions .btn{flex:1 1 auto}}

/* ── the "reading" window and the preview ───────────────────────────────────────────────────────────────────────── */
.overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(15,28,60,.62);padding:16px}
.overlay.hidden{display:none}
body.has-overlay{overflow:hidden}
.busy-card{max-width:520px;width:100%;padding:36px 32px;border-radius:20px;background:#fff;text-align:center;box-shadow:0 30px 80px rgba(8,18,45,.45)}
.busy-card h2{margin:18px 0 8px;font-size:26px;letter-spacing:-.02em}
.busy-badge{display:inline-block;margin:0 0 14px;padding:6px 14px;border-radius:999px;background:var(--blue);color:#fff;font-size:14px;font-weight:800}
.busy-card p{margin:0 0 10px;color:#46546a;font-size:16px;line-height:1.5}
.busy-card .busy-first{font-size:14px;color:var(--muted)}
.spinner{width:64px;height:64px;margin:0 auto;border:7px solid #d9e5ff;border-top-color:var(--blue);border-radius:50%;animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2.4s}}
.pv{display:flex;flex-direction:column;width:min(1280px,100%);height:min(900px,100%);background:#f4f7fd;border-radius:18px;overflow:hidden;box-shadow:0 30px 80px rgba(8,18,45,.45)}
.pv-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line)}
.pv-title{display:flex;align-items:baseline;gap:12px;min-width:0}.pv-title h2{margin:0;font-size:20px}
.pv-name{color:var(--muted);font-size:13px;max-width:28ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-tools,.pv-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.pv-body{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:14px;padding:14px 18px}
.pv-pages,.pv-text{min-height:0;overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px}
.pv.text-only .pv-pages,.overlay.text-only .pv-pages{display:none}
.overlay.text-only .pv-body{grid-template-columns:minmax(0,820px);justify-content:center}
.pv-page{position:relative;margin:0 auto 14px;line-height:0}
.pv-page img,.pv-page canvas{display:block;width:100%;height:auto}
.pv-page .ov{position:absolute;inset:0;pointer-events:none;overflow:visible}
.pv-pages.no-pinyin .ov{display:none}
.pv-text .interlinear-output{max-height:none;border-top:0;margin-top:0}
.pv-hint{margin:0 0 6px;font-size:13px;color:var(--muted)}
.pv-raw{width:100%;min-height:50vh;border:1px solid var(--line);border-radius:10px;padding:12px;font:20px/1.6 "PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;resize:vertical}
.pv-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px;padding:12px 18px;background:#fff;border-top:1px solid var(--line)}
.pv-status{margin-right:auto;color:#157a51;font-size:14px}
@media(max-width:860px){.pv-body{grid-template-columns:minmax(0,1fr);overflow:auto}.pv-pages{max-height:48vh}.pv-text{overflow:visible}.pv{height:100%;border-radius:0}.overlay{padding:0}}
@media print{.overlay{display:none!important}}