/* திருக்குறள் · 22 மொழிகள் — app styles (palm-leaf theme, light/dark) */

:root{

  --paper:#faf7f2; --card:#ffffff; --ink:#1f1b16; --muted:#6f6459; --line:#e6ded2;

  --accent:#8f2f1c; --accent-2:#b8442a; --gold:#c8961e; --ok:#2e7d4f; --bad:#c0392b;

  --ner:#8a2b2b; --nirai:#1f4e79; --chip:#f3ebdd; --chip-ink:#4a3b2a; --shadow:0 1px 3px rgba(40,25,10,.12);

  --sel:#fff3d6; --focus:#2b6cb0;

  --fs:1rem;

  --ta:"Noto Sans Tamil","Latha","Nirmala UI","Tamil Sangam MN","Lohit Tamil",sans-serif;

  --ta-serif:"Noto Serif Tamil","Noto Sans Tamil","Latha","Nirmala UI",serif;

  --dv:"Noto Sans Devanagari","Nirmala UI","Mangal","Kohinoor Devanagari",sans-serif;

  --bn:"Noto Sans Bengali","Nirmala UI","Vrinda","Kohinoor Bangla",sans-serif;

  --gu:"Noto Sans Gujarati","Nirmala UI","Shruti",sans-serif;

  --pa:"Noto Sans Gurmukhi","Nirmala UI","Raavi",sans-serif;

  --kn:"Noto Sans Kannada","Nirmala UI","Tunga",sans-serif;

  --ml:"Noto Sans Malayalam","Nirmala UI","Kartika",sans-serif;

  --or:"Noto Sans Oriya","Nirmala UI","Kalinga",sans-serif;

  --te:"Noto Sans Telugu","Nirmala UI","Gautami",sans-serif;

  --ar:"Noto Nastaliq Urdu","Jameel Noori Nastaleeq","Urdu Typesetting","Aldhabi","Noto Naskh Arabic",serif;

  --mtei:"Noto Sans Meetei Mayek","Nirmala UI",sans-serif;

  --olck:"Noto Sans Ol Chiki","Nirmala UI",sans-serif;

  --lat:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  color-scheme:light dark;

}

@media (prefers-color-scheme:dark){

  :root:not([data-theme="light"]){

    --paper:#1b1612; --card:#251f1a; --ink:#f1e9dd; --muted:#b3a693; --line:#3a312a;

    --accent:#e28a6c; --accent-2:#f0a58b; --gold:#e2b65a; --chip:#33291f; --chip-ink:#eadfcd;

    --sel:#3a2d16; --ner:#ff9d9d; --nirai:#9ec9ff; --shadow:0 1px 3px rgba(0,0,0,.4);

  }

}

:root[data-theme="dark"]{

  --paper:#1b1612; --card:#251f1a; --ink:#f1e9dd; --muted:#b3a693; --line:#3a312a;

  --accent:#e28a6c; --accent-2:#f0a58b; --gold:#e2b65a; --chip:#33291f; --chip-ink:#eadfcd;

  --sel:#3a2d16; --ner:#ff9d9d; --nirai:#9ec9ff; --shadow:0 1px 3px rgba(0,0,0,.4);

}

*{box-sizing:border-box}

html{font-size:var(--fs)}

body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--ta),var(--lat);line-height:1.55;

  -webkit-font-smoothing:antialiased;min-height:100dvh;display:flex;flex-direction:column;

  padding-bottom:calc(64px + var(--sab, env(safe-area-inset-bottom)))}

a{color:var(--accent)}

button{font:inherit;color:inherit}

.skip{position:absolute;left:-999px;top:0}

.skip:focus{left:8px;top:8px;background:var(--card);padding:6px 10px;z-index:99}

:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

[hidden]{display:none!important}



/* header */

.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:8px 12px;

  padding-top:calc(8px + var(--sat, env(safe-area-inset-top)));

  background:linear-gradient(135deg,#8f2f1c,#b8442a);color:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2)}

.top .logo{border-radius:50%;background:#fff;flex:0 0 auto}

.title-wrap{flex:1;min-width:0}

.top h1{margin:0;font-size:1.05rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.top .sub{font-size:.72rem;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.icon-btn{background:rgba(255,255,255,.14);border:0;color:inherit;border-radius:10px;min-width:40px;height:40px;

  font-size:1.1rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0 8px}

.icon-btn:hover{background:rgba(255,255,255,.25)}

#btn-back{font-size:1.6rem;line-height:1}



/* tabs */

.tabs{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;background:var(--card);border-top:1px solid var(--line);

  padding-bottom:var(--sab, env(safe-area-inset-bottom))}

.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px 6px;text-decoration:none;

  color:var(--muted);font-size:.72rem}

.tabs a .ic{font-size:1.25rem;line-height:1}

.tabs a.active{color:var(--accent);font-weight:700}



/* view */

.view{flex:1;width:100%;max-width:960px;margin:0 auto;padding:12px 12px 24px}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:0 0 12px;box-shadow:var(--shadow)}

.card h2,.card h3{margin:0 0 8px;font-size:1rem;color:var(--accent)}

.card h3{font-size:.92rem}

.muted{color:var(--muted);font-size:.85rem}

.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

.grow{flex:1}

.btn{background:var(--chip);color:var(--chip-ink);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;

  display:inline-flex;align-items:center;gap:6px;font-size:.9rem;text-decoration:none}

.btn.primary{background:var(--accent);color:#fff;border-color:transparent}

.btn.small{padding:5px 9px;font-size:.8rem;border-radius:8px}

.btn:disabled{opacity:.5;cursor:default}

.btn.on{outline:2px solid var(--gold)}

.chip{display:inline-block;background:var(--chip);color:var(--chip-ink);border-radius:999px;padding:2px 10px;font-size:.78rem;margin:2px;vertical-align:middle}

.chip.sel{background:var(--accent);color:#fff}

.pill{font-size:.72rem;border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--muted)}

.sep{height:1px;background:var(--line);margin:10px 0}

.list a,.list .item{display:flex;gap:10px;align-items:flex-start;padding:10px 6px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}

.list a:last-child{border-bottom:0}

.list .num{min-width:2.6em;color:var(--muted);font-variant-numeric:tabular-nums;font-size:.85rem;padding-top:2px}

.list .tx{flex:1}

.list .tx .l{display:block}

.list .tx .tr{display:block;color:var(--muted);font-size:.88rem;margin-top:2px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}

.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-decoration:none;color:inherit;display:block}

.tile .n{color:var(--muted);font-size:.75rem}

.tile:hover{border-color:var(--gold)}

input[type=search],input[type=text],input[type=time],select{font:inherit;background:var(--card);color:var(--ink);border:1px solid var(--line);

  border-radius:10px;padding:10px 12px;width:100%}

input[type=range]{width:100%}

.toggle{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}

.toggle:last-child{border-bottom:0}

.toggle label{flex:1}

.switch{appearance:none;width:44px;height:26px;border-radius:13px;background:var(--line);position:relative;cursor:pointer;margin:0;border:0}

.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .15s}

.switch:checked{background:var(--ok)}

.switch:checked::after{left:21px}



/* couplet */

.kural-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}

.kural-head .n{font-size:1.4rem;font-weight:700;color:var(--accent)}

.kural-head .ch{color:var(--muted);font-size:.85rem}

.couplet{font-family:var(--ta-serif);font-size:1.45rem;line-height:1.8;margin:6px 0 4px}

.couplet .line{display:flex;flex-wrap:wrap;gap:0 .45em}

.couplet .line.l2{padding-left:1.6em}

.w{background:none;border:0;padding:0 2px;margin:0;font:inherit;color:inherit;cursor:pointer;border-radius:6px;border-bottom:2px dotted transparent}

.w:hover,.w.on{background:var(--sel);border-bottom-color:var(--gold)}

.w.hl{background:var(--sel)}

.translit{color:var(--muted);font-style:italic;font-size:.9rem;font-family:var(--lat)}

.actions{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 4px}

.actions .btn.playing{background:var(--accent);color:#fff}



/* translations */

.tr-card{border-left:4px solid var(--gold)}

.tr-card .lang{display:flex;align-items:center;gap:8px;margin-bottom:4px}

.tr-card .lang .nm{font-weight:700;font-size:.9rem}

.tr-card .lang .kind{font-size:.7rem;color:var(--muted)}

.tr-text{font-size:1.12rem;line-height:1.7}

.tr-text.rtl{direction:rtl;text-align:right;line-height:2.1;font-size:1.25rem}

.tr-text .l2{display:block}

.credit{font-size:.75rem;color:var(--muted);margin-top:6px;font-family:var(--lat)}

.sc-Tamil{font-family:var(--ta)} .sc-Devanagari{font-family:var(--dv)} .sc-Bengali{font-family:var(--bn)}

.sc-Gujarati{font-family:var(--gu)} .sc-Gurmukhi{font-family:var(--pa)} .sc-Kannada{font-family:var(--kn)}

.sc-Malayalam{font-family:var(--ml)} .sc-Odia{font-family:var(--or)} .sc-Telugu{font-family:var(--te)}

.sc-Arabic{font-family:var(--ar)} .sc-Meetei{font-family:var(--mtei)} .sc-Latin{font-family:var(--lat)}

.sc-OlChiki{font-family:var(--olck)}



/* prose tabs */

.tabs-inline{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:8px}

.tabs-inline button{background:none;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:.8rem;cursor:pointer}

.tabs-inline button.on{background:var(--accent);color:#fff;border-color:transparent}

.prose{font-size:1.05rem;line-height:1.75}

.ai-note{font-size:.75rem;color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:4px 8px;margin-top:6px}



/* grammar sheet */

.sheet-back{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40}

.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--card);border-radius:18px 18px 0 0;max-height:82dvh;overflow:auto;

  padding:10px 16px calc(16px + var(--sab, env(safe-area-inset-bottom)));box-shadow:0 -4px 20px rgba(0,0,0,.25);max-width:720px;margin:0 auto}

.sheet .handle{width:40px;height:4px;background:var(--line);border-radius:2px;margin:0 auto 10px}

.sheet h2{margin:4px 0 8px;font-size:1.3rem;font-family:var(--ta-serif)}

.gtable{width:100%;border-collapse:collapse;font-size:.9rem}

.gtable th{text-align:left;color:var(--muted);font-weight:500;padding:4px 6px;vertical-align:top;white-space:nowrap;width:34%}

.gtable td{padding:4px 6px;vertical-align:top;border-bottom:1px dashed var(--line)}

.tag{display:inline-block;border-radius:6px;padding:0 6px;font-size:.85rem;background:var(--chip);color:var(--chip-ink);cursor:help;border-bottom:1px dotted var(--gold)}

.tag.cat-பெயர்{background:#e7f0ff;color:#1a3f7a}.tag.cat-வினை{background:#fdebd9;color:#7a3c06}.tag.cat-இடை{background:#ebf7e7;color:#245c1b}.tag.cat-உரி{background:#f5e6ff;color:#5a1f82}

:root[data-theme="dark"] .tag.cat-பெயர்,:root[data-theme="dark"] .tag.cat-வினை,:root[data-theme="dark"] .tag.cat-இடை,:root[data-theme="dark"] .tag.cat-உரி{background:var(--chip);color:var(--chip-ink)}

.conf{display:inline-block;height:6px;border-radius:3px;background:var(--line);width:80px;vertical-align:middle;overflow:hidden}

.conf i{display:block;height:100%;background:var(--ok)}

.gloss-tip{font-size:.82rem;color:var(--muted);margin-top:4px;border-left:3px solid var(--gold);padding-left:8px}

.wordtable{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:6px}

.wordtable .wt{border:1px solid var(--line);border-radius:10px;padding:6px 8px;font-size:.85rem;cursor:pointer;background:var(--card)}

.wordtable .wt b{font-family:var(--ta-serif);font-size:1rem}



/* யாப்பு */

.scan{display:flex;flex-direction:column;gap:6px}

.scan .adi{display:flex;flex-wrap:wrap;align-items:flex-end;gap:6px}

.seer{border:1px solid var(--line);border-radius:10px;padding:4px 8px;background:var(--card);min-width:64px;text-align:center;position:relative}

.seer.cur{background:var(--sel);border-color:var(--gold)}

.seer .word{font-family:var(--ta-serif);font-size:1.05rem}

.seer .asai{display:flex;justify-content:center;gap:4px;margin:2px 0}

.asai b{display:inline-block;font-weight:700;font-size:.85rem;border-radius:4px;padding:0 5px;line-height:1.4}

.asai b.N{background:var(--ner);color:#fff}.asai b.I{background:var(--nirai);color:#fff}

.seer .name{font-size:.72rem;color:var(--muted)}

.thalai{align-self:center;font-size:.68rem;color:var(--muted);writing-mode:horizontal-tb;max-width:62px;text-align:center;line-height:1.2;margin:0 6px}

.beat{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--line);margin:0 1px}

.beat.on{background:var(--accent)}

.legend{font-size:.78rem;color:var(--muted)}

.score{font-size:1.6rem;font-weight:700;color:var(--accent)}

.cloze .w.hidden-w{color:transparent;background:var(--chip);border-radius:6px}

.bars{display:flex;gap:3px;align-items:flex-end;height:56px}

.bars i{flex:1;background:var(--line);border-radius:3px 3px 0 0;position:relative}

.bars i.exp{background:var(--nirai)}.bars i.got{background:var(--accent)}



/* search */

.search-box{position:sticky;top:calc(56px + var(--sat, env(safe-area-inset-top)));z-index:5;background:var(--paper);padding:4px 0 8px}

mark{background:var(--sel);color:inherit;border-radius:3px;padding:0 1px}

.result .lang-tag{font-size:.7rem;color:var(--muted);margin-right:6px}



/* home */

.hero{background:linear-gradient(160deg,var(--card),var(--chip));border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px}

.hero .label{font-size:.78rem;color:var(--muted);letter-spacing:.3px;text-transform:uppercase}

.stat{display:flex;gap:10px;flex-wrap:wrap}

.stat div{flex:1;min-width:90px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}

.stat b{display:block;font-size:1.2rem;color:var(--accent)}

.stat span{font-size:.72rem;color:var(--muted)}



/* audio player */

.player{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

.player audio{flex:1;min-width:200px;height:36px}

progress{width:100%;height:8px;border-radius:4px;overflow:hidden}



/* toast + offline */

#toast{position:fixed;left:50%;bottom:calc(80px + var(--sab, env(safe-area-inset-bottom)));transform:translateX(-50%) translateY(20px);background:#2a211a;color:#fff;

  padding:8px 14px;border-radius:10px;font-size:.85rem;opacity:0;transition:all .2s;z-index:60;max-width:90vw;text-align:center;pointer-events:none}

#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

#offline-banner{position:fixed;top:calc(56px + var(--sat, env(safe-area-inset-top)));left:0;right:0;z-index:15;background:var(--gold);color:#2a211a;font-size:.8rem;text-align:center;padding:3px}

.nav-pn{display:flex;justify-content:space-between;gap:8px;margin:8px 0}

.nav-pn a{flex:1;text-align:center}

@media (min-width:720px){ .two{display:grid;grid-template-columns:1fr 1fr;gap:12px} .two .card{margin:0} }

@media print{ .top,.tabs,.actions,#toast{display:none} body{padding:0} }



/* parallel all-languages view */

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

@media (min-width:700px){ .cmp-grid{grid-template-columns:1fr 1fr} }

@media (min-width:1100px){ .cmp-grid{grid-template-columns:1fr 1fr 1fr} }

.cmp{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;box-shadow:var(--shadow)}

.cmp.sel{border-color:var(--gold);border-left:4px solid var(--gold)}

.cmp .lang{display:flex;align-items:center;gap:6px;margin-bottom:4px;flex-wrap:wrap}

.cmp .lang .nm{font-weight:700;font-size:.95rem}

.cmp .lang .kind{font-size:.68rem;color:var(--muted)}

.cmp .tr-text{font-size:1.05rem}

.cmp .cmp-play.playing,.actions .btn.playing{background:var(--accent);color:#fff}



/* palm-leaf witness */

.leaf{background:#2a211a;border-radius:10px;padding:6px;overflow-x:auto;min-height:48px;display:flex;align-items:center;justify-content:center}

.leaf img{max-width:none;height:auto;min-width:100%;border-radius:6px;display:block;image-rendering:auto}

.leaf a{display:block;width:100%}

.leaf-ph{color:#b3a693;font-size:.8rem;padding:12px;text-align:center}

.scribal{font-family:var(--ta-serif);font-size:1.05rem;line-height:1.9;background:var(--chip);border-radius:8px;padding:8px 10px;margin-top:4px;word-break:break-word}



/* two-stream parallel reading */

.par-head{display:grid;grid-template-columns:2.4em 1fr 1fr 2.6em;gap:8px;padding:8px 10px;background:var(--chip);

  color:var(--chip-ink);font-size:.78rem;font-weight:700;position:sticky;top:calc(56px + var(--sat, env(safe-area-inset-top)));z-index:4}

.par-head div:first-child{grid-column:2}

.par-row{display:grid;grid-template-columns:2.4em 1fr 1fr 2.6em;gap:8px;padding:10px;border-top:1px solid var(--line);align-items:start}

.par-n{color:var(--muted);font-size:.8rem;font-variant-numeric:tabular-nums;padding-top:3px}

.par-a{font-family:var(--ta-serif);font-size:1.05rem;line-height:1.65}

.par-a a{text-decoration:none;color:inherit}

.par-b{font-size:1rem;line-height:1.6}

.par-b.rtl{direction:rtl;text-align:right;line-height:2}

@media (max-width:620px){

  /* stacked layout: one header naming both streams, since each row carries both */

  .par-head{display:flex;gap:6px;padding-left:calc(2.2em + 18px)}

  .par-head div:first-child{grid-column:auto}

  .par-head div:last-child::before{content:'· ';opacity:.6}

  .par-row{grid-template-columns:2.2em 1fr 2.4em}

  .par-b{grid-column:2;border-top:1px dashed var(--line);padding-top:6px;color:var(--muted)}

  .par-p{grid-row:1;grid-column:3}

}