/* html-ppt :: base.css — reset + shared tokens + layout primitives */
/* Default tokens. Themes in assets/themes/*.css override the :root block. */
:root {
--bg: #ffffff;
--bg-soft: #f7f7f8;
--surface: #ffffff;
--surface-2: #f2f2f4;
--border: rgba(0,0,0,.08);
--border-strong: rgba(0,0,0,.16);
--text-1: #111216;
--text-2: #55596a;
--text-3: #8a8f9e;
--accent: #3b6cff;
/* Text drawn on top of an --accent fill. Every theme in assets/themes/
* and every full-deck style.css overrides this with whichever of white /
* near-black clears WCAG AA against its own accent — a hardcoded ink
* cannot, because accents here range from #ffffff to #000000.
* This default is black rather than white on purpose: against the default
* --accent #3b6cff, white measures 4.40:1 and black 4.77:1, so only black
* clears AA for normal text. Reached by any deck that links no theme. */
--accent-ink: #000000;
--accent-2: #7a5cff;
--accent-3: #ff5c8a;
--good: #1aaf6c;
--warn: #f5a524;
--bad: #e0445a;
--grad: linear-gradient(135deg,#3b6cff,#7a5cff 55%,#ff5c8a);
--grad-soft: linear-gradient(135deg,#eef2ff,#f5ecff 55%,#ffeef5);
--radius: 18px;
--radius-sm: 12px;
--radius-lg: 26px;
--shadow: 0 10px 30px rgba(18,24,40,.08), 0 2px 6px rgba(18,24,40,.04);
--shadow-lg: 0 24px 60px rgba(18,24,40,.14), 0 6px 16px rgba(18,24,40,.06);
--font-sans: 'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
--font-serif: 'Playfair Display','Noto Serif SC',Georgia,serif;
--font-mono: 'JetBrains Mono','IBM Plex Mono',SFMono-Regular,Menlo,monospace;
--font-display: var(--font-sans);
--letter-tight: -.03em;
--letter-normal: -.01em;
--ease: cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text-1);
font-family:var(--font-sans);font-weight:400;line-height:1.6;
-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
letter-spacing:var(--letter-normal)}
/* Viewport host: centres the fixed-size design canvas and letterboxes the rest.
Every px in a slide therefore means the same thing in the browser, in the
presenter preview, in the overview thumbnail and in a headless render. */
body{width:100vw;height:100vh;overflow:hidden;
display:flex;align-items:center;justify-content:center}
img,svg,video{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code,kbd,pre,samp{font-family:var(--font-mono)}
/* ================= SLIDE SYSTEM ================= */
/* ================= DESIGN CANVAS =================
Slides are authored against a FIXED 1920x1080 canvas and scaled to fit the
viewport by runtime.js (--deck-scale). Before this, .deck was 100vw/100vh
while type and spacing stayed in absolute px, so a 1512x850 laptop window
and a 1920x1080 render produced visibly different pages (issue #20).
Escape hatches:
-> old behaviour, canvas follows the viewport
-> custom canvas (e.g. 1080x1440 for 3:4)
*/
.deck{position:relative;flex:none;
width:var(--deck-w,1920px);height:var(--deck-h,1080px);
overflow:hidden;background:var(--bg);
transform:scale(var(--deck-scale,1));transform-origin:center center}
/* Opt out: fluid canvas, exactly what the deck did before. */
body[data-fit="fluid"]{display:block}
body[data-fit="fluid"] .deck{width:100vw;height:100vh;transform:none}
.slide{
position:absolute;inset:0;
display:flex;flex-direction:column;justify-content:center;
padding:72px 96px;
box-sizing:border-box;
opacity:0;pointer-events:none;
transition:opacity .5s var(--ease), transform .5s var(--ease);
transform:translateX(30px);
overflow:hidden;
}
.slide.is-active{opacity:1;pointer-events:auto;transform:translateX(0);z-index:2}
.slide.is-prev{transform:translateX(-30px)}
/* single-page standalone (used when a layout file is opened directly) */
body.single .slide{position:relative;width:100%;height:100%;opacity:1;transform:none;pointer-events:auto}
body[data-fit="fluid"].single .slide{width:100vw;height:100vh}
/* ================= TYPOGRAPHY ================= */
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3)}
.kicker{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
h1.title,.h1{font-family:var(--font-display);font-size:72px;line-height:1.05;font-weight:800;letter-spacing:var(--letter-tight);margin:0 0 18px;color:var(--text-1)}
h2.title,.h2{font-family:var(--font-display);font-size:54px;line-height:1.1;font-weight:700;letter-spacing:var(--letter-tight);margin:0 0 14px}
h3,.h3{font-size:32px;line-height:1.2;font-weight:600;letter-spacing:var(--letter-normal);margin:0 0 10px}
h4,.h4{font-size:22px;line-height:1.3;font-weight:600;margin:0 0 8px}
.lede{font-size:22px;line-height:1.55;color:var(--text-2);font-weight:300;max-width:62ch}
.dim{color:var(--text-2)}
.dim2{color:var(--text-3)}
.mono{font-family:var(--font-mono)}
.serif{font-family:var(--font-serif)}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
/* ================= LAYOUT PRIMITIVES ================= */
.stack>*+*{margin-top:14px}
.row{display:flex;gap:24px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.center{display:flex;align-items:center;justify-content:center;text-align:center}
.fill{flex:1}
.sp-t{padding-top:24px}.sp-b{padding-bottom:24px}
.mt-s{margin-top:8px}.mt-m{margin-top:18px}.mt-l{margin-top:32px}
.mb-s{margin-bottom:8px}.mb-m{margin-bottom:18px}.mb-l{margin-bottom:32px}
/* ================= CARDS ================= */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
padding:26px 28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card-soft{background:var(--surface-2);border:1px solid var(--border)}
.card-outline{background:transparent;border:1.5px solid var(--border-strong);box-shadow:none}
.card-accent{background:var(--surface);border-top:3px solid var(--accent)}
.card-hover{transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pill{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;
background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}
.pill-accent{background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 28%,transparent)}
/* ================= BARS / DIVIDERS ================= */
.divider{height:1px;background:var(--border);width:100%}
.divider-accent{height:3px;width:72px;background:var(--accent);border-radius:2px}
/* ================= IMAGES (issue #17) =================
* Framing primitives shared by every image-* layout. The frame owns the
* aspect ratio and the crop; the just fills it. That's what lets you
* swap in a photo of any shape without touching the layout.
*
* .img-frame.contain -> letterbox instead of crop (screenshots, diagrams,
* logos — anything where cropping loses information)
* --img-ratio -> aspect ratio of the frame (default 16/10)
* --img-pos -> object-position, e.g. "top" to protect a headline
*/
.img-frame{position:relative;margin:0;overflow:hidden;
border-radius:var(--radius);box-shadow:var(--shadow);background:var(--surface-2);
aspect-ratio:var(--img-ratio,16/10)}
.img-frame > img{width:100%;height:100%;object-fit:cover;object-position:var(--img-pos,center)}
.img-frame.contain{background:var(--bg-soft);box-shadow:none;border:1px solid var(--border)}
.img-frame.contain > img{object-fit:contain}
.img-frame.fill{height:100%;aspect-ratio:auto}
.img-scrim{position:absolute;inset:0;
background:linear-gradient(180deg,transparent 42%,rgba(8,10,20,.72))}
.img-cap{margin:10px 2px 0;font-size:14px;line-height:1.5;color:var(--text-3)}
.img-tag{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;
background:rgba(10,12,20,.55);color:#fff;font-size:12px;letter-spacing:.06em;
text-transform:uppercase;backdrop-filter:blur(6px)}
/* ================= CHROME (header/footer/progress) ================= */
.deck-header{position:absolute;top:24px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;
font-size:12px;color:var(--text-3);letter-spacing:.12em;text-transform:uppercase;z-index:10;pointer-events:none}
.deck-footer{position:absolute;bottom:24px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;
font-size:12px;color:var(--text-3);z-index:10;pointer-events:none}
.slide-number::before{content:attr(data-current)}
.slide-number::after{content:" / " attr(data-total)}
.progress-bar{position:fixed;left:0;right:0;bottom:0;height:3px;background:transparent;z-index:20}
.progress-bar > span{display:block;height:100%;width:0;background:var(--accent);transition:width .3s var(--ease)}
/* ---- custom logo (issue #11) ----
* One logo per deck, drawn over the slide area. Two ways in, same CSS:
* 1. hand-author it ->
* 2. declare it once ->
* (1) needs no JS at all; (2) is created by runtime.js. It lives inside .deck
* so it scales with the deck. On an exported PDF it is painted per page by the
* @media print block below, not by this element — see the note there. */
.deck-logo{position:absolute;z-index:11;pointer-events:none;
height:var(--logo-size,44px);width:auto;max-width:30%;object-fit:contain;
opacity:var(--logo-opacity,.9)}
.deck-logo[data-pos="top-left"] {top:var(--logo-inset-y,28px);left:var(--logo-inset-x,40px)}
.deck-logo[data-pos="top-right"] {top:var(--logo-inset-y,28px);right:var(--logo-inset-x,40px)}
.deck-logo[data-pos="bottom-left"] {bottom:var(--logo-inset-y,28px);left:var(--logo-inset-x,40px)}
.deck-logo[data-pos="bottom-right"] {bottom:var(--logo-inset-y,28px);right:var(--logo-inset-x,40px)}
.deck-logo:not([data-pos]) {top:28px;right:40px}
/* ================= PRESENTER / OVERVIEW ================= */
/* Keep this list in sync with NOTE_SEL in assets/runtime.js — the runtime
* reads speaker notes from all of these, so all of them must be hidden
* from the audience. */
.notes,.speaker-notes{display:none!important}
.notes-overlay{position:fixed;inset:auto 0 0 0;max-height:42vh;background:rgba(20,22,30,.95);color:#e8ebf4;
padding:20px 32px;font-size:16px;line-height:1.6;border-top:1px solid rgba(255,255,255,.1);transform:translateY(100%);
transition:transform .3s var(--ease);z-index:40;overflow:auto;font-family:var(--font-sans)}
.notes-overlay.open{transform:translateY(0)}
.overview{position:fixed;inset:0;background:rgba(10,12,18,.92);backdrop-filter:blur(12px);z-index:50;
display:none;padding:40px;overflow:auto}
.overview.open{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-content:start}
.overview .thumb{background:var(--surface);border:1px solid var(--border);border-radius:12px;
aspect-ratio:16/9;overflow:hidden;cursor:pointer;position:relative;color:var(--text-1);padding:16px;
font-size:11px;transition:transform .2s var(--ease)}
.overview .thumb:hover{transform:scale(1.04)}
.overview .thumb .n{position:absolute;top:8px;left:10px;font-weight:700;font-size:14px;color:var(--text-3)}
.overview .thumb .t{position:absolute;bottom:10px;left:14px;right:14px;font-weight:600;color:var(--text-1)}
/* ================= PRESENTER VIEW ================= */
/* Presenter view opens in a separate popup window (S key).
* All presenter styles are self-contained in the popup HTML generated by runtime.js.
* The audience window (this file) is NOT affected — it stays as normal deck view.
* Only the .notes class below is needed to hide speaker notes from audience. */
/* ================= UTILITY ================= */
.hidden{display:none!important}
.nowrap{white-space:nowrap}
.tr{text-align:right}.tc{text-align:center}.tl{text-align:left}
.uppercase{text-transform:uppercase;letter-spacing:.12em}
/* ================= PRINT ================= */
@media print{
/* Every declaration here is !important on purpose. A template stylesheet
* scopes its rules as `.tpl-name .slide`, which is specificity (0,2,0) and
* beats a bare `.slide` at (0,1,0) — so without !important a template
* silently keeps its screen layout in print. That is how dir-key-nav-minimal
* (position:absolute) printed 8 slides onto 1 page and xhs-post printed 9
* onto 2: only the opacity/transform declarations on this rule carried
* !important, and the ones that decide pagination did not. */
body{display:block!important;width:auto!important;height:auto!important;overflow:visible!important}
.deck{transform:none!important;width:100%!important;height:auto!important;
min-height:0!important;display:block!important}
.slide{position:relative!important;inset:auto!important;
opacity:1!important;transform:none!important;
page-break-after:always;break-after:page;
width:100%!important;height:100vh!important;max-height:100vh!important}
.slide:last-child{page-break-after:auto;break-after:auto}
.deck-header,.deck-footer,.progress-bar,.notes-overlay,.overview{display:none!important}
/* Logo in print. The .deck-logo element is position:absolute inside .deck,
* and print collapses .deck to height:auto with every slide stacked — so the
* element can only anchor ONCE against the whole document and lands on a
* single page (or none). Hide it and paint the logo per slide instead: in
* print one .slide is exactly one page. runtime.js mirrors the image URL and
* placement onto .deck (--logo-print / data-logo-print), so this only kicks
* in when the runtime is present; a JS-less deck keeps the element. */
.deck[data-logo-print] > .deck-logo{display:none!important}
.deck[data-logo-print] .slide:not([data-no-logo])::after{
content:"";position:absolute;z-index:11;pointer-events:none;
width:30%;height:var(--logo-size,44px);
background-image:var(--logo-print);background-repeat:no-repeat;
background-size:contain;opacity:var(--logo-opacity,.9)}
.deck[data-logo-print="top-left"] .slide:not([data-no-logo])::after{top:var(--logo-inset-y,28px);left:var(--logo-inset-x,40px);background-position:left top}
.deck[data-logo-print="top-right"] .slide:not([data-no-logo])::after{top:var(--logo-inset-y,28px);right:var(--logo-inset-x,40px);background-position:right top}
.deck[data-logo-print="bottom-left"] .slide:not([data-no-logo])::after{bottom:var(--logo-inset-y,28px);left:var(--logo-inset-x,40px);background-position:left bottom}
.deck[data-logo-print="bottom-right"] .slide:not([data-no-logo])::after{bottom:var(--logo-inset-y,28px);right:var(--logo-inset-x,40px);background-position:right bottom}
}