/* QuizBurst — generated by build.mjs. Edit src/styles.mjs, not this file. */
:root{
  --cat-general-knowledge-from: #6366f1;
  --cat-general-knowledge-to: #8b5cf6;
  --cat-science-from: #06b6d4;
  --cat-science-to: #3b82f6;
  --cat-history-from: #b45309;
  --cat-history-to: #d97706;
  --cat-geography-from: #059669;
  --cat-geography-to: #10b981;
  --cat-movies-tv-from: #be123c;
  --cat-movies-tv-to: #f43f5e;
  --cat-music-from: #7c3aed;
  --cat-music-to: #c026d3;
  --cat-sports-from: #0d9488;
  --cat-sports-to: #22c55e;
  --cat-food-drink-from: #ea580c;
  --cat-food-drink-to: #f59e0b;
  --cat-animals-from: #0891b2;
  --cat-animals-to: #14b8a6;
  --cat-technology-from: #1d4ed8;
  --cat-technology-to: #6366f1;
  /* Dark theme (2026-09-27), following the reference design's structure: a near-black
     canvas with layered surfaces rather than elevation, and one accent. Almost every rule
     in this file reads these tokens, so the flip happens here — the handful of rules that
     hardcode white are white-on-gradient or white-on-photo and stay correct as they are.
     Category gradients in data/categories.mjs are unchanged: saturated mid-tones read well
     on black and they carry the brand. */
  --ink:#f3f1f8;
  --ink-soft:#a8a2b8;
  --ink-faint:#76708a;
  --paper:#000000;
  --card:#141414;
  --line:#272727;
  /* #6d28d9 is unreadable on black, so the brand is brightened for dark rather than
     replaced. --brand-soft becomes a tinted surface instead of a pale wash. */
  --brand:#a78bfa;
  --brand-dark:#8b5cf6;
  --brand-soft:#1d1733;
  --good:#22c55e;
  --good-soft:#102a1b;
  --bad:#f87171;
  --bad-soft:#2d1516;
  --radius:20px;
  /* Shadows are invisible on a near-black page. Depth comes from the surface steps and
     --line instead; the "lift" is a hairline ring so hover still has an affordance. */
  --shadow:none;
  --shadow-lift:0 0 0 1px rgba(255,255,255,.12);
  --from:var(--brand);
  --to:var(--brand-dark);
}
[data-cat="general-knowledge"]{--from:var(--cat-general-knowledge-from);--to:var(--cat-general-knowledge-to);}
[data-cat="science"]{--from:var(--cat-science-from);--to:var(--cat-science-to);}
[data-cat="history"]{--from:var(--cat-history-from);--to:var(--cat-history-to);}
[data-cat="geography"]{--from:var(--cat-geography-from);--to:var(--cat-geography-to);}
[data-cat="movies-tv"]{--from:var(--cat-movies-tv-from);--to:var(--cat-movies-tv-to);}
[data-cat="music"]{--from:var(--cat-music-from);--to:var(--cat-music-to);}
[data-cat="sports"]{--from:var(--cat-sports-from);--to:var(--cat-sports-to);}
[data-cat="food-drink"]{--from:var(--cat-food-drink-from);--to:var(--cat-food-drink-to);}
[data-cat="animals"]{--from:var(--cat-animals-from);--to:var(--cat-animals-to);}
[data-cat="technology"]{--from:var(--cat-technology-from);--to:var(--cat-technology-to);}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit}
.wrap{width:100%;max-width:960px;margin:0 auto;padding:0 18px}
.wrap-narrow{width:100%;max-width:600px;margin:0 auto;padding:0 18px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(8,8,8,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-header-inner{display:flex;align-items:center;gap:14px;height:58px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#c026d3);font-size:16px}
.nav-scroll{margin-left:auto;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-scroll a{white-space:nowrap;font-size:14px;font-weight:600;color:var(--ink-soft);padding:7px 11px;border-radius:999px}
.nav-scroll a:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}

/* ------------------------------------------------------------------ hero */
.hero{padding:44px 0 26px;text-align:center}
.hero h1{margin:0 0 10px;font-size:clamp(30px,6vw,46px);line-height:1.08;letter-spacing:-.03em;font-weight:850}
.hero p{margin:0 auto;max-width:34em;color:var(--ink-soft);font-size:17px}
.hero-badge{display:inline-block;margin-bottom:14px;padding:5px 13px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;letter-spacing:.01em}

/* --------------------------------------------------------------- chiprow */
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:22px 0 30px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:650;color:var(--ink-soft);box-shadow:0 1px 2px rgba(20,18,28,.04)}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);text-decoration:none}
.chip[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:#fff}

/* ----------------------------------------------------------------- cards */
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:34px 0 14px}
.section-head h2{margin:0;font-size:21px;letter-spacing:-.02em}
.section-head a{font-size:14px;font-weight:650}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(248px,1fr))}
/* A card is one photo tile with the title sitting on it — a grid of captionless images
   gives a visitor nothing to choose between, and the name is what they are picking. The
   category gradient stays as the tile's background so a card with no photo, or one whose
   photo has not loaded, still reads as a finished tile rather than a grey hole. */
.card{position:relative;display:block;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,var(--from),var(--to));box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);text-decoration:none}
/* ------------------------------------------------------------------ rail */
/* Trending carousel. A native scroll container with snap points: it works on touch,
   trackpad and keyboard with no library, and degrades to a plain horizontal scroller if
   the enhancement script never runs. The focused card scales up rather than casting a
   heavier shadow — the same easing curve the reference design uses. */
.rail-wrap{position:relative}
/* The inline padding is half the rail minus half a card, so the FIRST and LAST cards can
   still reach the centre. Without it, centring them would need a negative scroll offset,
   which clamps to 0 — those two quizzes could never become the focused card, and the rail
   jumped on load because 0 was not a valid snap position. */
.rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:8px calc(50% - 105px) 16px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail>.card{flex:0 0 210px;aspect-ratio:4/5;scroll-snap-align:center;opacity:.62;transform:scale(.93);transition:transform .55s cubic-bezier(.4,0,.2,1),opacity .55s cubic-bezier(.4,0,.2,1),box-shadow .55s cubic-bezier(.4,0,.2,1)}
.rail>.card.is-focus{opacity:1;transform:scale(1);box-shadow:var(--shadow-lift)}
/* The global .card:hover lift would fight the scale, so rail cards get their own. */
.rail>.card:hover{transform:scale(.95)}
.rail>.card.is-focus:hover{transform:scale(1.02)}
.rail-nav{position:absolute;top:calc(50% - 26px);z-index:4;display:grid;place-items:center;width:40px;height:40px;padding:0 0 3px;border:1px solid var(--line);border-radius:50%;background:rgba(22,22,22,.92);color:var(--ink);font-size:24px;line-height:1;cursor:pointer;box-shadow:var(--shadow);transition:transform .15s cubic-bezier(.4,0,.2,1),background .15s ease}
.rail-nav:hover{background:#2c2c2c;transform:scale(1.08)}
.rail-prev{left:-8px}
.rail-next{right:-8px}
/* Touch devices scroll the rail directly; the arrows would just cover a card. */
@media (hover:none){.rail-nav{display:none}}
@media (max-width:560px){.rail{padding-inline:calc(50% - 82px)}.rail>.card{flex-basis:164px}}
.card-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0;transition:transform .4s ease}
.card:hover .card-img{transform:scale(1.05)}
/* The scrim is what makes white text safe on an unknown photo. It has to be heavy at
   the bottom — some covers are near-white down there (the x-ray, the newspapers). */
.card-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.30) 0%,rgba(0,0,0,.06) 34%,rgba(0,0,0,.62) 72%,rgba(0,0,0,.86) 100%)}
.card-badge{position:absolute;top:10px;left:10px;z-index:2;display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.93);font-size:18px;line-height:1;box-shadow:0 2px 8px rgba(0,0,0,.28)}
.card-emoji{font-size:44px;line-height:1;filter:drop-shadow(0 3px 6px rgba(0,0,0,.22))}
.card-body{position:absolute;left:0;right:0;bottom:0;z-index:2;display:flex;flex-direction:column;gap:5px;padding:14px 15px 14px;color:#fff}
.card-cat{font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.09em;color:rgba(255,255,255,.82)}
.card-title{margin:0;font-size:17.5px;line-height:1.24;letter-spacing:-.02em;color:#fff;font-weight:800;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.card-meta{display:flex;align-items:center;gap:8px;margin-top:3px;font-size:12.5px;color:rgba(255,255,255,.85);font-weight:650}
.pill{display:inline-block;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.22);color:#fff;font-size:12px;font-weight:750;backdrop-filter:blur(4px)}

/* ------------------------------------------------------------ quiz shell */
.quiz-shell{padding:26px 0 44px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.panel-hero{position:relative;padding:32px 22px 26px;text-align:center;background:linear-gradient(135deg,var(--from),var(--to));color:#fff;overflow:hidden}
/* Photo sits at the bottom of the stack; ::before tints it in the category colour so
   white text keeps its contrast whatever the photo happens to look like, and ::after
   adds the same highlight the gradient-only heroes have. */
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
/* Tint hard enough to own the category colour, light enough that the photo still reads.
   The dark scrim in ::after does the actual contrast work under the text, which is why
   ::before can stay this transparent. */
.panel-hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,var(--from),var(--to));opacity:.58;pointer-events:none}
.panel-hero::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:
  radial-gradient(120% 100% at 20% 0%,rgba(255,255,255,.16),transparent 60%),
  linear-gradient(180deg,rgba(0,0,0,.28) 0%,rgba(0,0,0,.10) 40%,rgba(0,0,0,.48) 100%)}
.panel-hero > *:not(.hero-img){position:relative;z-index:3;text-shadow:0 1px 12px rgba(0,0,0,.32)}
/* Heroes with no photo keep the flat gradient — no scrim, nothing to darken. */
.panel-hero:not(:has(.hero-img))::after{background:radial-gradient(120% 100% at 20% 0%,rgba(255,255,255,.24),transparent 62%)}
.panel-hero:not(:has(.hero-img))::before{opacity:0}
.panel-hero:not(:has(.hero-img)) > *{text-shadow:none}
.panel-emoji{font-size:56px;line-height:1;filter:drop-shadow(0 4px 8px rgba(0,0,0,.25))}
.panel-hero h1{margin:12px 0 0;font-size:clamp(24px,5.4vw,32px);line-height:1.15;letter-spacing:-.025em;font-weight:850}
.panel-kicker{margin:0 0 2px;font-size:12.5px;font-weight:750;text-transform:uppercase;letter-spacing:.09em;opacity:.9}
.panel-body{padding:24px 22px 26px}
.panel-body p{margin:0 0 16px;color:var(--ink-soft)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 20px}
.meta-item{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:13.5px;font-weight:650;color:var(--ink-soft)}

.btn{display:block;width:100%;padding:16px 20px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff;font-size:17px;font-weight:750;text-align:center;cursor:pointer;box-shadow:0 6px 18px rgba(109,40,217,.28);transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 26px rgba(109,40,217,.34)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:none;font-weight:700}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);box-shadow:none}
.btn-row{display:grid;gap:10px;margin-top:14px}

/* ------------------------------------------------------------- questions */
.progress{display:flex;align-items:center;gap:12px;margin:0 0 20px}
.progress-track{flex:1;height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-bar{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--from),var(--to));transition:width .3s ease}
.progress-count{font-size:13px;font-weight:750;color:var(--ink-faint);white-space:nowrap}
.question{margin:0 0 22px;font-size:clamp(21px,4.6vw,26px);line-height:1.28;letter-spacing:-.02em;font-weight:800}
.options{display:grid;gap:11px;margin:0}
.option{display:flex;align-items:center;gap:13px;width:100%;padding:15px 16px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;text-align:left;color:var(--ink);font-size:16.5px;font-weight:600;cursor:pointer;transition:border-color .12s ease,background .12s ease,transform .12s ease}
.option:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateX(2px);text-decoration:none}
.option-key{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:800;color:var(--ink-faint)}
.option:hover .option-key{background:var(--brand);border-color:var(--brand);color:#fff}
.back-link{display:inline-block;margin-top:20px;font-size:14.5px;font-weight:650;color:var(--ink-faint)}
.back-link:hover{color:var(--brand-dark)}

/* ----------------------------------------------------------------- score */
.score-ring{--pct:0;position:relative;width:168px;height:168px;margin:4px auto 16px;border-radius:50%;background:conic-gradient(#fff calc(var(--pct)*1%),rgba(255,255,255,.28) 0);display:grid;place-items:center}
.score-ring::before{content:"";position:absolute;inset:11px;border-radius:50%;background:linear-gradient(135deg,var(--from),var(--to))}
.score-ring-inner{position:relative;text-align:center;line-height:1}
.score-num{display:block;font-size:52px;font-weight:850;letter-spacing:-.04em}
.score-of{display:block;margin-top:4px;font-size:14px;font-weight:700;opacity:.85}
.score-band{margin:14px 0 0;font-size:clamp(23px,5vw,29px);letter-spacing:-.025em;font-weight:850}
.score-blurb{margin:8px auto 0;max-width:30em;font-size:15.5px;opacity:.94}
/* Cue at the foot of the score widget. The reveal button sits below a reserved 280px ad
   slot, so on a phone it can begin below the fold — this is what tells a visitor there is
   another step. A direct child of .panel-hero, so it inherits the z-index:3 rule that puts
   hero content above the scrim; the bob is killed by the reduced-motion block at the end. */
.score-cue{display:inline-flex;align-items:center;gap:9px;margin:18px auto 0;padding:11px 18px;border:1px solid rgba(255,255,255,.55);border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font:inherit;font-size:15px;font-weight:800;letter-spacing:-.01em;cursor:pointer;transition:background .15s ease,transform .15s ease}
.score-cue:hover{background:rgba(255,255,255,.3);transform:translateY(-1px)}
.score-cue-arrow{font-size:17px;line-height:1;animation:score-cue-bob 1.5s ease-in-out infinite}
@keyframes score-cue-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

.locked{position:relative;margin:0 0 18px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}
.locked-list{margin:0;padding:16px;display:grid;gap:11px;list-style:none;filter:blur(5px);user-select:none;pointer-events:none;opacity:.72}
.locked-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-soft)}
.locked-list .dot{flex:none;width:20px;height:20px;border-radius:50%;background:var(--line)}
/* This gradient has to track --paper. It hardcoded the old light paper (246,245,251) as
   rgba because a gradient cannot fade a var() to transparent cleanly — which meant the
   theme flip left a near-opaque white smear over the locked answers on every score page.
   If --paper ever changes again, change these two stops with it. */
.locked-veil{position:absolute;inset:0;display:grid;place-items:center;gap:6px;background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.93));text-align:center;padding:16px}
.locked-veil strong{display:block;font-size:16px;letter-spacing:-.01em}
.locked-veil span{font-size:13.5px;color:var(--ink-soft)}
.locked-lock{font-size:26px}

/* --------------------------------------------------------------- answers */
.answer{padding:18px 0;border-bottom:1px solid var(--line)}
.answer:last-child{border-bottom:0}
.answer-q{display:flex;gap:11px;margin:0 0 12px;font-size:17px;font-weight:750;line-height:1.35;letter-spacing:-.015em}
.answer-n{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:8px;font-size:13px;font-weight:800;color:#fff}
.answer-n.is-right{background:var(--good)}
.answer-n.is-wrong{background:var(--bad)}
.answer-row{display:flex;gap:9px;align-items:flex-start;padding:10px 12px;border-radius:11px;font-size:15px;margin-bottom:7px}
/* The tints above are now dark, so this text has to invert with them or it disappears. */
.answer-row.is-right{background:var(--good-soft);color:#86efac}
.answer-row.is-wrong{background:var(--bad-soft);color:#fca5a5}
.answer-row .tag{flex:none;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;opacity:.75;padding-top:2px}
.answer-explain{margin:10px 0 0;font-size:15px;color:var(--ink-soft);line-height:1.6}

/* ------------------------------------------------------------------- ads */
.ad-slot{margin:22px 0;display:flex;justify-content:center}
.ad-slot:empty{display:none;margin:0}
/* The in-grid home unit takes the whole row, not one card's cell. */
.grid>.ad-slot{grid-column:1/-1;margin:6px 0}
/* Home page, partner layout: the top unit sits directly under the site header. The hero's
   own 44px top padding is separation enough — padding does not collapse with the slot's
   margin, so leaving both would strand the ad above ~66px of dead space. The under-chips
   unit needs no adjustment: the chip row's and section heading's margins collapse with the
   slot's own, which already lands it on sensible gaps. */
.ad-slot[data-ad="top"]{margin:16px 0 0}
/* The score unit sits directly above "Reveal the answers". Reserving its height stops the
   button jumping down under a thumb as the creative renders; an accidental ad click there
   is a policy problem for the partner's account, not just bad UX. */
.ad-slot[data-ad="score"]:not(:empty){min-height:280px;align-items:center}

/* ----------------------------------------------------------------- prose */
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);margin:26px 0 40px}
.prose h1{margin:0 0 6px;font-size:29px;letter-spacing:-.025em}
.prose h2{margin:26px 0 8px;font-size:19px;letter-spacing:-.015em}
.prose p,.prose li{color:var(--ink-soft)}
.prose p{margin:0 0 14px}
.prose ul{margin:0 0 14px;padding-left:20px}
.updated{margin:0 0 20px;font-size:13.5px;color:var(--ink-faint)}

/* ---------------------------------------------------------------- footer */
.site-footer{border-top:1px solid var(--line);background:var(--card);padding:26px 0 34px;margin-top:24px}
.footer-inner{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px}
.footer-links a{color:var(--ink-soft);font-weight:600}
.footer-note{font-size:13px;color:var(--ink-faint);margin:0}

@media (max-width:560px){
  body{font-size:16.5px}
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .card{aspect-ratio:1/1}
  .card-badge{width:28px;height:28px;border-radius:9px;font-size:15px;top:8px;left:8px}
  .card-emoji{font-size:34px}
  .card-body{padding:11px 11px 12px;gap:3px}
  .card-cat{font-size:10px;letter-spacing:.07em}
  .card-title{font-size:15px}
  .card-meta{font-size:11.5px;gap:6px}
  .pill{padding:2px 7px;font-size:11px}
  .nav-scroll{display:none}
  .panel-body{padding:20px 16px 22px}
  .panel-hero{padding:26px 16px 22px}
  /* The partner's units are up to 336px wide. On a 360px phone the padded panel body is
     only ~290px and .panel clips overflow, so slots inside it bleed to the panel edge and
     slots in the page column bleed to the screen edge. */
  .panel-body .ad-slot{margin-left:-16px;margin-right:-16px}
  .wrap>.ad-slot,.wrap-narrow>.ad-slot,.grid>.ad-slot{margin-left:-18px;margin-right:-18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}