/* Shared deck base: the engine chrome plus the layout blocks every deck reuses.
   Load it BEFORE the deck's own stylesheet:
     <link rel="stylesheet" href="shared/deck.base.css">
     <link rel="stylesheet" href="deck.css">
   The deck stylesheet imports its display fonts, overrides :root, and adds
   whatever that particular talk needs. Nothing here is talk specific. */

/* Shobhika: self-hosted Devanagari (shared/fonts/) */
@font-face{font-family:'Shobhika';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/Shobhika-Regular.otf') format('opentype');}
@font-face{font-family:'Shobhika';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/Shobhika-Bold.otf') format('opentype');}

/* Default theme: "Soft Editorial". A deck reskins by redeclaring these in its own :root. */
:root{
  --paper:#F2EEDF; --paper-2:#ECE6D2; --ink:#2A241B; --ink-soft:#5C5345;
  --pink:#E1A4C2; --lemon:#D6DD63; --blush:#E8C9B6; --sage:#B7C7A8; --lilac:#C9BEDC;
  --gold:#9A8548;
  --card:rgba(255,255,255,0.55); --rule-soft:rgba(42,36,27,0.18); --rule-med:rgba(42,36,27,0.32);
  --stage-bg:#211C15;
  --serif:'Cormorant Garamond',Garamond,'Times New Roman',serif;
  --sans:'Work Sans',-apple-system,Helvetica,sans-serif;
  --deva:'Shobhika','Cormorant Garamond',serif;
  --ease:cubic-bezier(0.16,1,0.3,1); --dur:0.75s;
}

/* Fixed 16:9 stage: authored at 1920×1080, scaled as a whole by deck.js */
*{margin:0;padding:0;box-sizing:border-box;}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--stage-bg);}
.deck-viewport{position:fixed;inset:0;overflow:hidden;background:var(--stage-bg);}
.deck-stage{position:absolute;left:0;top:0;width:1920px;height:1080px;overflow:hidden;transform-origin:0 0;background:var(--paper);}
.slide{position:absolute;inset:0;width:1920px;height:1080px;overflow:hidden;display:block;visibility:hidden;opacity:0;pointer-events:none;background:var(--paper);color:var(--ink);font-family:var(--sans);}
.slide.active,.slide.visible{visibility:visible;opacity:1;pointer-events:auto;z-index:1;}
img,video,canvas,svg{max-width:100%;max-height:100%;}
.deck-controls{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:1000;}

@media print{
  @page{size:1920px 1080px;margin:0;}
  html,body{width:1920px;height:auto;overflow:visible;background:#fff;}
  .deck-viewport{position:static;overflow:visible;background:#fff;}
  .deck-stage{position:static;width:auto;height:auto;transform:none!important;background:none;}
  .slide{position:relative;display:block!important;visibility:visible!important;opacity:1!important;pointer-events:auto!important;width:1920px;height:1080px;break-after:page;page-break-after:always;}
  .slide:last-child{break-after:auto;page-break-after:auto;}
  .deck-controls{display:none!important;}
  .reveal{opacity:1!important;transform:none!important;}
  .drawline{transform:none!important;}
  [data-frag]{opacity:1!important;}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;transition-duration:0.2s!important;}}

/* Base type */
em{font-style:italic;font-weight:400;}
.deva{font-family:var(--deva);}

/* Motion. Two kinds only:
   .reveal     : fades in when the slide opens, staggered with style="--d:.2s"
   [data-frag] : fades in on a click, grouped by data-frag="k" */
.reveal{opacity:0;transition:opacity var(--dur) ease;transition-delay:var(--d,0s);}
.slide.visible .reveal{opacity:1;}
.drawline{transform:scaleX(0);transform-origin:center;transition:transform .9s var(--ease) var(--d,.2s);}
.slide.visible .drawline{transform:scaleX(1);}
[data-frag]{opacity:0;transition:opacity .4s ease;}
[data-frag].frag-in{opacity:1;}

/* Page chrome */
.eyebrow{position:absolute;top:60px;left:80px;font-family:var(--sans);font-size:28px;color:var(--ink);letter-spacing:-.005em;}
.pagedot{position:absolute;top:60px;right:80px;font-family:var(--serif);font-style:italic;font-weight:400;font-size:26px;color:var(--ink-soft);}
.foot{position:absolute;left:80px;right:80px;bottom:50px;display:flex;justify-content:space-between;font-family:var(--serif);font-style:italic;font-weight:400;font-size:26px;color:var(--ink-soft);}
.content{position:absolute;left:80px;right:80px;top:166px;bottom:110px;}
.content.wsub{top:250px;}   /* slides that carry a subheading get more clearance */

/* Slide title, set top-left. Terms inside stay upright, headings are never italic. */
.stitle{position:absolute;top:104px;left:100px;right:120px;font-family:var(--sans);font-weight:600;font-size:78px;line-height:1.05;letter-spacing:-.025em;color:var(--ink);}
.stitle em{font-style:normal;font-weight:inherit;}
.stitle .dv{font-family:var(--deva);font-weight:600;font-style:normal;}
.stitle .sub{display:block;font-family:var(--sans);font-weight:400;font-size:28px;color:var(--ink-soft);margin-top:14px;letter-spacing:0;}

/* Text blocks */
h2{font-family:var(--sans);font-weight:600;font-size:84px;line-height:1;letter-spacing:-.02em;color:var(--ink);}
.subhead{font-family:var(--serif);font-style:italic;font-weight:400;font-size:44px;line-height:1.1;color:var(--ink-soft);}
.body{font-family:var(--sans);font-weight:400;font-size:26px;line-height:1.5;color:var(--ink);}
.marker{font-family:var(--sans);font-weight:400;font-size:29px;color:var(--ink-soft);}
.bigsay{font-family:var(--serif);font-weight:500;font-size:66px;line-height:1.18;letter-spacing:-.01em;color:var(--ink);max-width:1520px;}
.bigsay em{font-style:italic;}
.bigsay-sm{font-family:var(--serif);font-weight:500;font-size:46px;line-height:1.25;color:var(--ink);max-width:1400px;}
.card{background:var(--card);border-radius:28px;padding:44px 40px;}
.pill{display:inline-block;border-radius:999px;padding:6px 20px;font-family:var(--sans);font-weight:500;font-size:24px;color:var(--ink);}
.deck-link{font-family:var(--sans);font-size:24px;color:var(--ink-soft);border-bottom:1px dotted var(--ink-soft);text-decoration:none;}
.deck-link:hover{color:var(--ink);}
img.fig{display:block;max-width:100%;max-height:100%;}
.notes{display:none;}   /* speaker notes never render on the slide itself */

/* Title slide */
.cover{padding:0;}
.cover-inner{position:absolute;left:120px;right:120px;top:50%;transform:translateY(-50%);text-align:center;}
.kicker{font-family:var(--sans);font-weight:400;font-size:30px;color:var(--ink-soft);}
.cover h1{font-family:var(--serif);font-weight:500;font-size:152px;line-height:.95;letter-spacing:-.015em;color:var(--ink);}
.rule{height:2px;background:var(--ink);opacity:.8;margin:44px auto;width:340px;}
.authors{font-family:var(--sans);font-weight:500;font-size:32px;color:var(--ink);line-height:1.5;}
.authors .amp{color:var(--ink-soft);font-family:var(--serif);font-style:italic;font-weight:400;padding:0 6px;}

/* Verse, transliteration, recording. The button needs data-audio="audio/x.wav". */
.shloka{text-align:center;}
.shloka .deva{font-family:var(--deva);font-size:42px;line-height:1.75;color:var(--ink);}
.shloka .iast{font-family:var(--serif);font-style:italic;font-size:26px;line-height:1.5;color:var(--ink-soft);margin-top:16px;}
.playbtn{display:inline-flex;align-items:center;gap:10px;margin-top:24px;padding:9px 20px;border:1px solid var(--rule-med);border-radius:999px;background:none;cursor:pointer;font-family:var(--sans);font-size:20px;color:var(--ink);transition:background .2s;}
.playbtn:hover{background:rgba(255,255,255,.45);}

/* Bottom-right corner: a QR to a live page, or a small credit line */
.corner-br{position:absolute;right:74px;bottom:52px;display:flex;flex-direction:column;align-items:center;gap:10px;}
.corner-br img{width:122px;height:122px;display:block;}
.corner-br .cap{font-family:var(--sans);font-size:19px;line-height:1.3;color:var(--ink-soft);text-align:center;max-width:170px;}
.credit{position:absolute;right:74px;bottom:52px;font-family:var(--sans);font-size:20px;color:var(--ink-soft);}

/* ── Reusable slide components ───────────────────────────────────────── */

/* a row of big numbers with labels under them */
.factrow{display:flex;justify-content:center;gap:130px;text-align:center;}
.factrow .num{font-family:var(--serif);font-weight:500;font-size:136px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;}
.factrow .lab{font-family:var(--sans);font-size:26px;color:var(--ink-soft);margin-top:16px;}

/* a strip of tags, e.g. the fields an idea applies to */
.fields{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;max-width:1360px;}
.fields span{font-family:var(--sans);font-weight:600;font-size:27px;color:var(--ink);background:var(--card);border-radius:999px;padding:15px 34px;}
.fields span i{font-style:italic;font-weight:400;color:var(--ink-soft);}

/* two or three cards side by side */
.paths{display:flex;gap:44px;width:100%;}
.path-card{flex:1;background:var(--card);border-radius:28px;padding:46px 52px;text-align:left;}
.path-card .who{font-family:var(--serif);font-style:italic;font-size:40px;color:var(--ink);}
.path-card .names{font-family:var(--sans);font-weight:600;font-size:26px;color:var(--ink);margin-top:14px;}
.path-card .body{margin-top:20px;color:var(--ink-soft);}

/* a term in Devanagari, its transliteration and its gloss */
.term-card{flex:1;background:var(--card);border-radius:28px;padding:44px 46px;text-align:center;}
.term-card .deva{font-size:52px;line-height:1.3;color:var(--ink);}
.term-card .iast{font-family:var(--serif);font-style:italic;font-size:27px;color:var(--ink-soft);margin-top:6px;}
.term-card .gloss{font-family:var(--sans);font-weight:600;font-size:25px;color:var(--ink);margin-top:22px;}
.term-card .body{margin-top:14px;font-size:24px;color:var(--ink-soft);text-align:center;}

/* numbered cards, e.g. contributions */
.contrib{display:flex;gap:34px;width:100%;max-width:1620px;}
.contrib .card{flex:1;background:var(--card);border-radius:26px;padding:40px 40px 44px;position:relative;}
.contrib .card .n{font-family:var(--serif);font-size:56px;color:var(--gold);line-height:1;}
.contrib .card h4{font-family:var(--sans);font-weight:700;font-size:28px;color:var(--ink);margin:18px 0 14px;line-height:1.25;}
.contrib .card p{font-family:var(--sans);font-size:24px;line-height:1.5;color:var(--ink-soft);}
.contrib .card em{font-style:italic;color:var(--ink);}

/* dated timeline; add .hero to the line that matters */
.arc{list-style:none;display:flex;flex-direction:column;gap:26px;width:100%;max-width:1460px;}
.arc li{display:grid;grid-template-columns:330px 1fr 280px;align-items:baseline;gap:30px;font-family:var(--sans);font-size:28px;line-height:1.35;color:var(--ink);padding-left:24px;border-left:2px solid var(--rule-med);}
.arc .when{font-family:var(--serif);font-style:italic;font-size:30px;color:var(--ink-soft);}
.arc .what{color:var(--ink-soft);text-align:right;font-variant-numeric:tabular-nums;}
.arc li.hero{border-left-color:var(--gold);}
.arc li.hero .what{color:var(--ink);font-weight:600;}

/* numbered steps: number · term · explanation */
.algo-steps{list-style:none;display:flex;flex-direction:column;gap:24px;width:100%;max-width:1480px;}
.algo-steps li{display:grid;grid-template-columns:64px 300px 1fr;align-items:baseline;gap:28px;font-family:var(--sans);font-size:29px;line-height:1.4;color:var(--ink-soft);padding-bottom:22px;border-bottom:1px solid var(--rule-med);}
.algo-steps li:last-child{border-bottom:none;}
.algo-steps .n{font-family:var(--serif);font-size:40px;color:var(--gold);line-height:1;}
.algo-steps .term{color:var(--ink);}
.algo-steps .term .deva{font-size:33px;line-height:1.2;}
.algo-steps .term .iast{font-family:var(--serif);font-style:italic;font-size:23px;color:var(--ink-soft);}
.algo-steps b{color:var(--ink);font-weight:600;}

/* a running list narrated beside a figure */
.buildlog{list-style:none;display:flex;flex-direction:column;gap:22px;}
.buildlog li{font-family:var(--sans);font-size:27px;line-height:1.35;color:var(--ink);padding-left:22px;border-left:2px solid var(--rule-med);}
.buildlog em{font-family:var(--serif);font-style:italic;font-size:1.08em;}
.buildlog .k{color:var(--ink-soft);}

/* two panels joined by a small link column, for "this equals that" */
.bridge{display:flex;align-items:stretch;gap:34px;width:100%;max-width:1560px;}
.bridge .panel{flex:1;background:var(--card);border-radius:26px;padding:38px 42px;}
.bridge .cap{font-family:var(--sans);font-weight:600;font-size:22px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:16px;}
.bridge .lead{font-family:var(--serif);font-size:33px;line-height:1.3;color:var(--ink);}
.bridge .sub{font-family:var(--sans);font-size:24px;color:var(--ink-soft);margin-top:14px;line-height:1.45;}
.bridge .link{flex:0 0 96px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;font-family:var(--serif);font-style:italic;font-size:22px;color:var(--ink-soft);text-align:center;}
.bridge .link .eq{font-size:56px;color:var(--gold);font-style:normal;line-height:.6;}

/* the one claim of the talk, boxed */
.claimbox{background:linear-gradient(180deg,rgba(154,133,72,.10),rgba(154,133,72,.04));border:1.5px solid rgba(154,133,72,.5);border-radius:22px;padding:30px 48px;max-width:1420px;text-align:center;}
.claimbox .lead{font-family:var(--serif);font-size:38px;line-height:1.3;color:var(--ink);}
.claimbox .note{font-family:var(--sans);font-size:24px;color:var(--ink-soft);margin-top:10px;}

/* pseudocode, and an embedded live page */
.pseudo{font-family:ui-monospace,'SF Mono',Menlo,Consolas,'Courier New',monospace;font-size:28px;line-height:1.55;color:var(--ink);text-align:left;background:var(--card);border:1px solid var(--rule-soft);border-radius:20px;padding:34px 48px;white-space:pre;overflow-x:auto;max-width:1500px;font-variant-ligatures:none;}
.pseudo .kw{color:var(--gold);font-weight:700;}
.pseudo .cm{color:var(--ink-soft);}
.demo-frame{width:100%;max-width:1720px;height:850px;border:1px solid var(--rule-med);border-radius:18px;background:var(--paper);box-shadow:0 8px 30px rgba(42,36,27,.12);}

/* ── Engine chrome injected by deck.js ───────────────────────────────── */

.edit-hotzone{position:fixed;top:0;left:0;width:80px;height:80px;z-index:10000;cursor:pointer;}
.edit-toggle{position:fixed;top:16px;left:16px;z-index:10001;border:none;border-radius:999px;width:52px;height:52px;font-size:22px;cursor:pointer;background:var(--ink);color:var(--paper);opacity:0;pointer-events:none;transition:opacity .3s ease;}
.edit-toggle.show,.edit-toggle.active{opacity:1;pointer-events:auto;}
.edit-toggle.active{background:var(--sage);color:var(--ink);}
body.editing [data-edit]{outline:1.5px dashed var(--rule-med);outline-offset:6px;border-radius:4px;cursor:text;}
body.editing [data-edit]:hover{background:rgba(255,255,255,.35);}
.edit-hint{position:fixed;bottom:16px;left:16px;z-index:10001;font-family:var(--sans);font-size:14px;color:var(--paper);background:rgba(42,36,27,.85);padding:8px 14px;border-radius:10px;opacity:0;transition:opacity .3s;pointer-events:none;}
.edit-hint.show{opacity:1;}
.counter{font-family:var(--serif);font-style:italic;font-size:20px;color:rgba(242,238,223,.6);}

/* presenter view (press S; opens index.html?present) */
body.presenting .deck-viewport{display:none;}
#presenter{position:fixed;inset:0;z-index:5000;background:#211C15;color:#F2EEDF;font-family:var(--sans);display:flex;flex-direction:column;padding:22px 26px;gap:14px;}
#presenter header{display:flex;align-items:center;gap:22px;font-size:22px;}
#presenter .clock{font-family:var(--serif);font-weight:600;font-size:40px;}
#presenter .pos{color:#B9B096;}
#presenter header button{margin-left:auto;background:none;border:1px solid rgba(242,238,223,.3);color:#F2EEDF;border-radius:8px;padding:6px 14px;font-size:14px;cursor:pointer;}
#presenter .pmain{flex:1;display:grid;grid-template-columns:1.6fr 1fr;gap:22px;min-height:0;}
#presenter .plabel{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#B9B096;margin-bottom:8px;}
#presenter .pcurrent{display:flex;flex-direction:column;min-height:0;}
#presenter .pcurrent iframe{width:100%;aspect-ratio:16/9;border:1px solid rgba(242,238,223,.25);border-radius:10px;background:#F2EEDF;}
#presenter .pside{display:flex;flex-direction:column;gap:16px;min-height:0;}
#presenter .pnextwrap iframe{width:100%;aspect-ratio:16/9;border:1px solid rgba(242,238,223,.2);border-radius:8px;background:#F2EEDF;pointer-events:none;}
#presenter .pnotes{flex:1;display:flex;flex-direction:column;min-height:0;}
#presenter #pNotes{flex:1;resize:none;background:rgba(242,238,223,.06);border:1px solid rgba(242,238,223,.22);border-radius:12px;color:#F2EEDF;font-family:var(--sans);font-size:22px;line-height:1.5;padding:16px 18px;}
#presenter footer{display:flex;align-items:center;gap:14px;}
#presenter footer button{background:#F2EEDF;color:#211C15;border:none;border-radius:10px;padding:11px 24px;font-size:19px;font-weight:600;cursor:pointer;}
#presenter .phint{color:#8f876f;font-size:13px;margin-left:auto;}