/* TypFast — premium dark design system.
   Deep ink base, glassmorphism surfaces, amber/teal/sky gradient accents.
   Fonts: Sora (display) + Inter (body), loaded in each page <head>.
   All class names / CSS variables used by the app JS and inline styles
   (typing.js, age-calc.js, compress tool, ai-widget.js) are preserved. */
:root{
  color-scheme:dark;
  --ink:#f8fafc;
  --ink-soft:#94a3b8;
  --ink-faint:#8d9bc0;
  --navy:#1a1250;
  --navy-2:#4b34c4;
  --accent:#00f0ff;
  --accent-2:#6ff7e8;
  --accent-dark:#00b8cc;
  --teal:#2ef2c0;
  --sky:#8f7bff;
  --bg:#2b2189;
  --bg-2:#241b78;
  --card:#32279a;
  --glass-brd:rgba(190,180,255,.16);
  --good:#4ade80;
  --good-bg:rgba(74,222,128,.13);
  --bad:#f87171;
  --bad-bg:rgba(248,113,113,.13);
  --current-bg:rgba(0,240,255,.30);
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 12px 32px rgba(14,8,60,.45);
  --shadow-lg:0 24px 60px rgba(14,8,60,.55);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:"Sora","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-hi:"Noto Sans Devanagari","Mangal","Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-color:#6a58d8 #241b78}
body{
  margin:0;font-family:var(--font);color:var(--ink);line-height:1.6;font-size:16px;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 88% -5%, rgba(160,120,255,.15), rgba(160,120,255,0) 60%),
    radial-gradient(820px 500px at -12% 8%, rgba(0,240,255,.07), rgba(0,240,255,0) 55%),
    radial-gradient(760px 640px at 50% 112%, rgba(46,242,192,.06), rgba(46,242,192,0) 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:auto,auto,auto,160px 160px;
}
::selection{background:rgba(0,240,255,.85);color:#021018}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:#241b78}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#5a46d0,#3a2cb0);border-radius:99px;border:2px solid #241b78}
::-webkit-scrollbar-thumb:hover{background:#274b7d}
:focus-visible{outline:3px solid var(--focus,#67e8f9);outline-offset:3px;border-radius:6px}
a{color:#8fc1f5;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1060px;margin:0 auto;padding:0 16px}
h1,h2.sec,.logo,.stat .num,.result-card .big,.age-big,.stat-num,.faq summary{font-family:var(--font-display)}

/* ---------- Utilities ---------- */
.grad-text{background:linear-gradient(92deg,#fff1d6 0%,var(--accent) 38%,#bd00ff 68%,var(--accent-2) 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 7s ease-in-out infinite alternate}
@keyframes gradShift{from{background-position:0% 50%}to{background-position:100% 50%}}
.bg-mesh{background-image:radial-gradient(600px 300px at 15% 0%,rgba(160,120,255,.18),transparent 60%),radial-gradient(500px 300px at 90% 20%,rgba(0,240,255,.12),transparent 60%),radial-gradient(500px 400px at 50% 110%,rgba(46,242,192,.10),transparent 60%)}
.noise{position:relative}
.noise::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.06'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:160px 160px}
.skeleton{background:linear-gradient(100deg,rgba(255,255,255,.05) 40%,rgba(255,255,255,.13) 50%,rgba(255,255,255,.05) 60%);background-size:200% 100%;animation:shimmer 1.4s linear infinite;border-radius:8px;min-height:1em}
@keyframes shimmer{to{background-position:-200% 0}}
.link-grad,.card .go{background-image:linear-gradient(90deg,var(--accent-2),var(--accent));background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .35s ease,color .2s}
.link-grad:hover,.card .go:hover{background-size:100% 2px;text-decoration:none}

/* ---------- Reveal-on-scroll (activated by motion.js adding .motion-on) ---------- */
html.motion-on .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
html.motion-on .reveal.in{opacity:1;transform:none}
html.motion-on body{animation:pageIn .45s ease-out both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(38,28,130,.72);-webkit-backdrop-filter:blur(14px) saturate(1.5);backdrop-filter:blur(14px) saturate(1.5);border-bottom:1px solid var(--glass-brd);box-shadow:0 8px 30px rgba(14,8,60,.35)}
.header-in{display:flex;align-items:center;gap:18px;padding:11px 0;flex-wrap:wrap}
.logo{font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:.2px}
.logo span{background:linear-gradient(92deg,var(--accent-2),var(--accent) 60%,#bd00ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo:hover{text-decoration:none}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.main-nav a{position:relative;color:#c3d4ec;padding:7px 11px;border-radius:8px;font-size:.95rem;font-weight:600}
.main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent-2),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.main-nav a:hover{text-decoration:none;color:#fff;background:rgba(255,255,255,.05)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{background:rgba(0,240,255,.15);color:#fff}
.main-nav a.active::after{transform:scaleX(1)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;color:#fff;padding:52px 0 40px;border-bottom:1px solid var(--glass-brd);background:linear-gradient(160deg,#4a35b8 0%,#2e2a9a 55%,#1b6a8a 100%)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(640px 340px at 82% -10%,rgba(150,110,255,.20),transparent 60%),radial-gradient(560px 320px at 4% 110%,rgba(0,240,255,.14),transparent 60%)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin:0 0 12px;font-size:2.45rem;line-height:1.18;font-weight:800;letter-spacing:-.01em;max-width:760px}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#fff1d6,var(--accent) 45%,#bd00ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0 0 20px;color:#c9d9f2;max-width:640px;font-size:1.05rem}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.stat-card{background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);padding:16px 12px;text-align:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
.stat-num{font-size:2rem;font-weight:800;line-height:1.1;background:linear-gradient(92deg,#fff,#bcd6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card:nth-child(odd) .stat-num{background:linear-gradient(92deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text}
.stat-label{font-size:.76rem;text-transform:uppercase;letter-spacing:1px;color:#94a3b8;margin-top:4px}

/* ---------- Buttons ---------- */
.btn{position:relative;overflow:hidden;display:inline-block;background:linear-gradient(135deg,var(--accent-2) 0%,var(--accent) 55%,var(--accent-dark) 130%);color:#021018;font-weight:700;padding:12px 22px;border-radius:11px;border:0;cursor:pointer;font-size:1rem;font-family:inherit;box-shadow:0 10px 26px rgba(0,240,255,.28),inset 0 1px 0 rgba(255,255,255,.45);transition:transform .25s ease,box-shadow .25s ease,background .2s}
.btn::after{content:"";position:absolute;top:0;bottom:0;width:45%;left:-70%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);transition:left .6s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,240,255,.36),inset 0 1px 0 rgba(255,255,255,.45)}
.btn:hover::after{left:130%}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn.secondary{background:linear-gradient(180deg,#ffffff,#d7e5f8);color:var(--navy);border:1px solid rgba(255,255,255,.65);box-shadow:0 10px 26px rgba(14,8,60,.35)}
.btn.ghost{background:rgba(255,255,255,.04);border:1px solid var(--glass-brd);color:var(--ink);box-shadow:none}
.btn.ghost:hover{border-color:rgba(0,240,255,.55);background:rgba(0,240,255,.08)}
.btn.small{padding:8px 14px;font-size:.9rem}

/* ---------- Layout blocks ---------- */
section.block{padding:32px 0 6px}
h2.sec{font-size:1.5rem;margin:0 0 8px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
h2.sec::after{content:"";display:block;width:64px;height:3px;border-radius:3px;margin-top:9px;background:linear-gradient(90deg,var(--accent),var(--teal))}
.sec-sub{color:var(--ink-soft);margin:0 0 18px}
.sec-sub strong,.prose strong{color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.018));border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:22px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;will-change:transform}
.card:hover{transform:translateY(-5px);border-color:rgba(0,240,255,.38);box-shadow:0 22px 44px rgba(14,8,60,.55),0 0 0 1px rgba(0,240,255,.10),inset 0 1px 0 rgba(255,255,255,.08)}
.card.tilting{transition:transform .12s ease-out}
.card h3{margin:0 0 8px;font-size:1.1rem;color:#fff;font-weight:700}
.card p{margin:0 0 12px;color:var(--ink-soft);font-size:.95rem}
.card .go{font-weight:700;color:var(--accent-2);padding-bottom:2px}
table.rules{width:100%;border-collapse:collapse;background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--glass-brd);border-radius:var(--radius);overflow:hidden;font-size:.95rem;box-shadow:var(--shadow)}
table.rules th{background:linear-gradient(90deg,var(--navy),var(--navy-2));color:#fff;text-align:left;padding:11px 12px;font-family:var(--font-display);font-weight:600}
table.rules td{padding:10px 12px;border-top:1px solid var(--glass-brd);color:var(--ink-soft)}
table.rules td:first-child{color:var(--ink);font-weight:600}
table.rules tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.faq details{background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.015));border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:13px 16px;margin-bottom:10px;box-shadow:var(--shadow)}
.faq summary{font-weight:600;cursor:pointer;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font);font-size:1.25rem;font-weight:700;color:var(--accent);transition:transform .3s ease;flex:none}
.faq details[open ] summary::after{transform:rotate(45deg)}
.faq details p{margin:10px 0 2px;color:var(--ink-soft)}
.faq details[open ] p{animation:faqIn .32s ease both}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.note{background:rgba(0,240,255,.08);border:1px solid rgba(0,240,255,.35);border-radius:12px;padding:12px 16px;color:#f3d9a4;font-size:.95rem}
.note strong{color:#fff1d6}
.disclaimer{font-size:.85rem;color:var(--ink-faint)}

/* ---------- Footer ---------- */
footer.site-footer{position:relative;background:linear-gradient(180deg,rgba(60,45,170,.55),#1b1566);color:#c3cdee;margin-top:48px;padding:30px 0 26px;border-top:1px solid var(--glass-brd)}
footer.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,240,255,.65),rgba(46,242,192,.65),transparent)}
footer.site-footer a{color:#dce9fa;font-weight:600}
footer.site-footer a:hover{color:var(--accent-2);text-decoration:none}
.footer-in{display:flex;gap:26px;flex-wrap:wrap;justify-content:space-between}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}

/* Ad slots (empty until ad code is added) */
.ad-slot{display:block;min-height:0;margin:14px auto;max-width:1060px}
/* When ad code is inserted later, suggested min-heights:
   .ad-slot[data-ad-slot="below-hero"]{min-height:90px}
   .ad-slot[data-ad-slot="in-content"]{min-height:250px}
   .ad-slot[data-ad-slot="results"]{min-height:90px} */

/* ---------- Typing test ---------- */
.test-shell{background:linear-gradient(170deg,rgba(17,32,58,.88),rgba(9,18,34,.94));border:1px solid var(--glass-brd);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.05);padding:22px;margin-top:18px}
.test-controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.test-controls .lbl{font-weight:700;color:#fff;margin-right:2px}
.chip{border:1px solid var(--glass-brd);background:rgba(255,255,255,.04);border-radius:999px;padding:6px 14px;font-weight:600;cursor:pointer;font-family:inherit;font-size:.92rem;color:var(--ink-soft);transition:border-color .2s,color .2s,background .2s,transform .15s}
.chip:hover{border-color:rgba(0,240,255,.55);color:#fff;transform:translateY(-1px)}
.chip.selected{background:linear-gradient(135deg,var(--navy-2),#6a4be0);border-color:rgba(125,180,255,.55);color:#fff;box-shadow:0 6px 16px rgba(14,8,60,.4)}
.chip.exam{border-color:rgba(0,240,255,.5);color:var(--accent-2)}
.chip.exam.selected{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#021018;border-color:var(--accent)}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.stat{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);border-radius:12px;text-align:center;padding:9px 4px}
.stat .num{font-size:1.5rem;font-weight:800;color:#fff;line-height:1.15}
.stat .cap{font-size:.76rem;text-transform:uppercase;letter-spacing:.7px;color:var(--ink-faint)}
.passage-box{position:relative;border:1px solid rgba(190,180,255,.24);border-radius:12px;padding:18px;background:#231a6e;box-shadow:inset 0 2px 18px rgba(20,10,80,.45);cursor:text;min-height:170px;transition:border-color .2s,box-shadow .2s}
.passage-box:focus-within{border-color:rgba(0,240,255,.6);box-shadow:inset 0 2px 18px rgba(20,10,80,.45),0 0 0 3px rgba(0,240,255,.16)}
.passage{font-size:1.22rem;line-height:1.9;letter-spacing:.2px;white-space:pre-wrap;word-break:break-word;user-select:none;color:#c9d8ef}
.passage.hi{font-family:var(--font-hi);font-size:1.28rem;line-height:2.05}
.passage .ch{border-radius:3px}
.passage .ch.correct{color:var(--good);background:var(--good-bg)}
.passage .ch.wrong{color:#fca5a5;background:var(--bad-bg)}
.passage .ch.current{background:var(--current-bg);box-shadow:inset 0 -3px 0 var(--accent)}
.passage .ch.current-space{background:var(--current-bg);box-shadow:inset 0 -3px 0 var(--accent)}
#typingInput{position:absolute;inset:0;width:100%;height:100%;opacity:0.01;resize:none;border:0;outline:none;font-size:16px;/* >=16px prevents iOS zoom */}
.tap-hint{position:absolute;inset:auto 0 8px;text-align:center;color:var(--ink-faint);font-size:.85rem;pointer-events:none}
.progress-line{height:6px;background:rgba(255,255,255,.08);border-radius:99px;margin-top:12px;overflow:hidden}
.progress-line i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--sky));transition:width .3s}
.result-card{display:none;border:1px solid rgba(45,212,191,.45);background:linear-gradient(170deg,rgba(46,242,192,.10),rgba(255,255,255,.02));border-radius:var(--radius-lg);padding:22px;margin-top:18px;text-align:center;box-shadow:var(--shadow)}
.result-card.show{display:block;animation:faqIn .4s ease both}
.result-card .big{font-size:3rem;font-weight:800;line-height:1;background:linear-gradient(92deg,#fff,#a7f3ea);-webkit-background-clip:text;background-clip:text;color:transparent}
.result-card .big small{font-size:1.1rem;color:var(--ink-soft);font-weight:600;-webkit-text-fill-color:var(--ink-soft)}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:16px 0}
.result-grid .stat{background:rgba(255,255,255,.05)}
.verdict{font-weight:800;font-size:1.12rem;padding:10px 14px;border-radius:10px;margin:10px auto;max-width:560px}
.verdict.pass{background:var(--good-bg);color:var(--good)}
.verdict.fail{background:var(--bad-bg);color:#fca5a5}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.keyboard-note{display:none}
@media (max-width:760px){
  .keyboard-note{display:block}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .hero{padding:36px 0 30px}
  .hero h1{font-size:1.62rem}
  .passage{font-size:1.1rem}
  .header-in{gap:8px}
  .main-nav{margin-left:0}
  .card{box-shadow:0 8px 22px rgba(14,8,60,.4)}
}

/* ---------- Tools (age / compress) ---------- */
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.tool-grid{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block;font-weight:700;color:#fff;margin-bottom:5px}
.field input,.field select{width:100%;padding:10px 12px;border:1px solid var(--glass-brd);border-radius:10px;font-size:1rem;font-family:inherit;background:rgba(255,255,255,.045);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field select option{background:#2f2590;color:var(--ink)}
.field input:focus,.field select:focus{border-color:rgba(0,240,255,.6);outline:none;box-shadow:0 0 0 3px rgba(0,240,255,.16)}
.age-big{font-size:1.6rem;font-weight:800;color:#fff;text-align:center;padding:8px 0}
.elig-row{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;border-top:1px solid var(--glass-brd);padding:10px 2px}
.elig-row .exam{font-weight:700;color:#fff}
.elig-row .why{font-size:.85rem;color:var(--ink-soft)}
.pill{font-weight:800;font-size:.82rem;padding:3px 10px;border-radius:999px;white-space:nowrap}
.pill.yes{background:var(--good-bg);color:var(--good)}
.pill.no{background:var(--bad-bg);color:#fca5a5}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center}
.compare figure{margin:0}
.compare img{max-width:100%;max-height:300px;border:1px solid var(--glass-brd);border-radius:12px;background:#2a2085}
.compare figcaption{font-size:.88rem;color:var(--ink-soft);margin-top:6px}
.preset-row{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 12px}
.status-line{font-weight:700;color:var(--ink);min-height:1.4em}
.prose p{color:var(--ink-soft)}
.prose h2{color:var(--ink)}
.prose li{color:var(--ink-soft);margin-bottom:4px}

/* ---------- Ask TypFast AI — floating chat widget (ai-widget.js + ai-kb.js) ---------- */
.ai-fab{position:fixed;right:18px;bottom:18px;z-index:90;background:linear-gradient(135deg,var(--accent-2),var(--accent) 60%,var(--accent-dark));color:#021018;border:0;border-radius:999px;padding:13px 20px;font-family:inherit;font-size:1rem;font-weight:800;cursor:pointer;box-shadow:0 12px 30px rgba(0,240,255,.35),inset 0 1px 0 rgba(255,255,255,.45);transition:transform .25s ease,box-shadow .25s ease}
.ai-fab:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,240,255,.42),inset 0 1px 0 rgba(255,255,255,.45)}
.ai-fab.hidden{display:none}
.ai-fab-compact{width:48px;height:48px;padding:0;border-radius:50%;font-size:1.3rem;line-height:1;right:12px;bottom:12px}
.ai-panel{position:fixed;right:18px;bottom:18px;z-index:91;width:min(370px,calc(100vw - 24px));height:min(540px,72vh);background:linear-gradient(170deg,#3a2ca6,#2a2090);border:1px solid var(--glass-brd);border-radius:16px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden}
.ai-panel.open{display:flex;animation:faqIn .28s ease both}
.ai-head{background:linear-gradient(90deg,var(--navy),var(--navy-2));color:#fff;padding:11px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.ai-head-title{font-weight:800;font-size:1rem;font-family:var(--font-display)}
.ai-badge{font-size:.68rem;font-weight:700;background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:2px 8px;vertical-align:2px;letter-spacing:.3px}
.ai-badge-live{background:var(--teal)}
.ai-close{background:transparent;border:0;color:#fff;font-size:1.05rem;cursor:pointer;padding:2px 6px;border-radius:6px}
.ai-close:hover{background:rgba(255,255,255,.12)}
.ai-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:rgba(255,255,255,.02)}
.ai-msg{max-width:86%;padding:9px 12px;border-radius:12px;font-size:.93rem;line-height:1.5;white-space:normal;word-break:break-word}
.ai-msg a{font-weight:700;text-decoration:underline;color:var(--accent-2)}
.ai-msg-bot{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08);color:var(--ink);align-self:flex-start;border-bottom-left-radius:4px}
.ai-msg-user{background:linear-gradient(135deg,var(--navy-2),#6a4be0);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.ai-typing{color:var(--ink-soft);font-style:italic}
.ai-chips{display:flex;gap:8px;flex-wrap:wrap;padding:10px 12px 2px;background:transparent}
.ai-chip{border:1px solid var(--glass-brd);background:rgba(255,255,255,.045);border-radius:999px;padding:6px 12px;font-size:.82rem;font-weight:600;cursor:pointer;font-family:inherit;color:#cfe0f7;transition:border-color .2s,background .2s}
.ai-chip:hover{border-color:rgba(0,240,255,.6);background:rgba(0,240,255,.10)}
.ai-form{display:flex;gap:8px;padding:10px 12px 12px;background:rgba(255,255,255,.02);border-top:1px solid var(--glass-brd)}
.ai-input{flex:1;padding:10px 12px;border:1px solid var(--glass-brd);border-radius:10px;font-size:1rem;font-family:inherit;background:rgba(255,255,255,.05);color:var(--ink)}
.ai-input:focus{border-color:rgba(0,240,255,.6);outline:none;box-shadow:0 0 0 3px rgba(0,240,255,.15)}
.ai-send{background:linear-gradient(135deg,var(--accent-2),var(--accent));border:0;color:#021018;width:46px;border-radius:10px;font-size:1.05rem;cursor:pointer}
.ai-send:hover{filter:brightness(1.07)}
@media (max-width:760px){
  .ai-panel{right:0;bottom:0;width:100vw;height:78vh;border-radius:14px 14px 0 0}
  .ai-fab{right:14px;bottom:14px}
}

/* ---------- Reduced motion: everything settles ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html.motion-on .reveal,html.motion-off .reveal{opacity:1;transform:none}
  .card:hover{transform:none}
  .grad-text{animation:none}
}

/* ---------- 3D keyboard (index.html) ---------- */
.kb3d{position:relative;margin-top:18px;height:240px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-brd);background:radial-gradient(600px 220px at 50% 100%,rgba(0,240,255,.10),transparent 70%),rgba(13,23,40,.55);box-shadow:var(--shadow)}
.kb3d[hidden]{display:none}
.kb3d canvas{display:block;width:100%!important;height:240px!important}
.kb3d-cap{position:absolute;left:14px;top:10px;z-index:1;font-size:.78rem;letter-spacing:.4px;color:var(--ink-soft);pointer-events:none}

/* ---------- Accessibility + h1 on inner pages ---------- */
.skip-link{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--accent);color:#021018;padding:8px 14px;border-radius:8px;font-weight:700}
.skip-link:focus{left:8px;text-decoration:none}
h1.sec{font-size:1.7rem;margin:0 0 8px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
h1.sec::after{content:"";display:block;width:64px;height:3px;border-radius:3px;margin-top:9px;background:linear-gradient(90deg,var(--accent),var(--teal))}
main.wrap{display:block}

/* ---------- Pass celebration ---------- */
.result-card.celebrate .big{animation:popIn .6s cubic-bezier(.2,1.4,.4,1) both}
@keyframes popIn{from{transform:scale(.6);opacity:0}to{transform:none;opacity:1}}
.confetti{position:absolute;top:0;width:8px;height:14px;border-radius:2px;pointer-events:none;opacity:0;animation:confFall 1.8s ease-out forwards}
@keyframes confFall{0%{opacity:1;transform:translateY(0) rotate(0)}100%{opacity:0;transform:translateY(260px) rotate(540deg)}}
/* ---- keyboard focus: clearly visible in both themes ---- */
.hero :focus-visible,footer.site-footer :focus-visible,.ai-head :focus-visible{outline-color:#6ff7e8}
.btn:focus-visible,.chip:focus-visible,.theme-toggle:focus-visible,.ai-fab:focus-visible,.main-nav a:focus-visible,.faq summary:focus-visible{outline-offset:3px}
@media (forced-colors:active){.btn,.chip,.theme-toggle,.card,.test-shell{border:1px solid CanvasText}.passage .ch.wrong{text-decoration:underline}}
@media (prefers-reduced-motion:reduce){.confetti{display:none}.result-card.celebrate .big{animation:none}}

/* ---- feature blocks (aurora, spotlight, progress, badges, weak keys, inner pages) ---- */
.hero::after{content:"";position:absolute;inset:-20%;z-index:0;pointer-events:none;background:conic-gradient(from 0deg at 70% 30%,rgba(0,240,255,.22),rgba(189,0,255,.20),rgba(46,242,192,.20),rgba(255,241,214,.10),rgba(0,240,255,.22));filter:blur(70px);opacity:.6;animation:aurora 26s linear infinite}
@keyframes aurora{to{transform:rotate(360deg)}}
.card{position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(111,247,232,.20),transparent 70%)}
.card:hover::before{opacity:1}
.progress-panel{margin-top:18px;padding:18px;border:1px solid var(--glass-brd);border-radius:var(--radius-lg);background:linear-gradient(170deg,rgba(255,255,255,.10),rgba(255,255,255,.03));box-shadow:var(--shadow)}
.progress-panel h3{margin:0 0 10px;color:#fff;font-family:var(--font-display)}
.progress-chart{width:100%;height:auto;display:block}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.badge{padding:5px 12px;border-radius:999px;font-size:.85rem;font-weight:600;border:1px dashed var(--glass-brd);color:var(--ink-soft);opacity:.7}
.badge.on{opacity:1;border-style:solid;border-color:rgba(111,247,232,.7);color:#fff1d6;background:rgba(46,242,192,.14)}
.badge.new{animation:badgePop .7s ease both}
@keyframes badgePop{0%{transform:scale(.6)}60%{transform:scale(1.15)}100%{transform:scale(1)}}
.weak-drill{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--ink-soft);font-size:.95rem;word-break:break-word;margin:8px 0 0}
body.inner-page::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(520px 320px at 85% 8%,rgba(0,240,255,.16),transparent 65%),radial-gradient(480px 300px at 8% 70%,rgba(46,242,192,.16),transparent 65%);animation:innerDrift 22s ease-in-out infinite alternate}
@keyframes innerDrift{to{transform:translate3d(-30px,24px,0) scale(1.06)}}


/* =====================================================================
   THEME SYSTEM — one rule-set, two token sets (Dark / Light).
   Dark  = near-black navy, light text.   Light = ice-teal, dark text.
   Every text/background pair below is contrast-checked (WCAG AA).
   The theme is chosen by <html data-theme="dark|light"> (see theme.js).
   ===================================================================== */
:root,html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#060913;
  --page-img:radial-gradient(900px 520px at 90% -6%,rgba(143,123,255,.20),transparent 62%),radial-gradient(760px 480px at -8% 10%,rgba(0,240,255,.10),transparent 60%),radial-gradient(800px 600px at 50% 115%,rgba(46,242,192,.08),transparent 62%);
  --ink:#f4f7fc; --ink-soft:#bac6dc; --ink-faint:#9aa9c4;
  --surface:#0f1626; --surface-2:#161f35; --surface-solid:#0a1020; --line:rgba(160,180,230,.26); --glass-brd:rgba(160,180,230,.26);
  --accent-text:#67e8f9; --link:#7dd3fc; --focus:#67e8f9; --navy:#14224a; --navy-2:#3b4fb8; --sb:#3a4670;
  --hdr-bg:rgba(6,9,19,.88); --nav:#cbd6ea; --nav-hover:#ffffff; --nav-hover-bg:rgba(255,255,255,.09); --nav-active:#ffffff; --nav-active-bg:rgba(0,240,255,.18);
  --logo-fg:#ffffff; --logo-grad:linear-gradient(92deg,#fff1d6,#6ff7e8 55%,#00f0ff);
  --tile-bg:linear-gradient(145deg,#ffffff,#fff1d6); --tile-fg:#3a2aa8; --key-edge:#8f7bff; --key-glow:rgba(20,10,80,.5);
  --hero-bg:linear-gradient(160deg,#1c1560 0%,#101d52 52%,#0b3b52 100%);
  --hero-btn-bg:linear-gradient(135deg,#a8fff0 0%,#00f0ff 100%); --hero-btn-fg:#021018;
  --grad-text:linear-gradient(92deg,#fff1d6 0%,#6ff7e8 45%,#00f0ff 75%,#e6c8ff 100%);
  --big-grad:linear-gradient(92deg,#ffffff,#a7f3ea);
  --btn-bg:linear-gradient(135deg,#a8fff0 0%,#00f0ff 100%); --btn-fg:#021018; --btn-sh:0 10px 26px rgba(0,240,255,.22); --btn-sh-h:0 16px 34px rgba(0,240,255,.36);
  --btn2-bg:linear-gradient(180deg,#ffffff,#d7e5f8); --btn2-fg:#14224a;
  --ghost-bg:rgba(255,255,255,.05);
  --chip-bg:#161f35; --chip-fg:#d5dff0; --chip-sel-bg:linear-gradient(135deg,#4b34c4,#6a4be0); --chip-sel-fg:#ffffff; --chip-exam:#67e8f9; --chip-exam-bd:rgba(0,240,255,.6);
  --note-bg:#0e2230; --note-bd:#1f7389; --note-fg:#e3f1f6; --note-strong:#ffffff;
  --good:#86efac; --good-bg:rgba(134,239,172,.15); --bad:#fca5a5; --bad-bg:rgba(248,113,113,.18);
  --passage:#d2ddf0; --current-bg:rgba(0,240,255,.28);
  --footer-bg:linear-gradient(180deg,#0b1020,#050810); --footer-fg:#b9c5db; --footer-a:#e6eefc;
  --kb-bg:radial-gradient(600px 220px at 50% 100%,rgba(0,240,255,.14),transparent 70%),linear-gradient(180deg,#141b3a,#0a0f22);
  --ai-bg:#0f1626; --ai-bot-bg:#1a2440; --ai-bot-fg:#f4f7fc;
  --th-bg:linear-gradient(90deg,#1a2a6a,#3b4fb8);
  --chart-grid:rgba(190,205,235,.22); --chart-text:#a9b8d2; --chart-a:#00f0ff; --chart-b:#bd9cff; --chart-dot:#ffffff;
  --shadow:0 12px 32px rgba(0,0,0,.45); --shadow-lg:0 24px 60px rgba(0,0,0,.55);
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#cfe5ea;
  --page-img:radial-gradient(900px 560px at 90% -6%,rgba(255,255,255,.80),transparent 62%),radial-gradient(820px 560px at -10% 16%,rgba(255,255,255,.50),transparent 58%),linear-gradient(170deg,#e6f2f5 0%,#cfe5ea 45%,#b5d6de 100%);
  --ink:#0f2a33; --ink-soft:#35525e; --ink-faint:#46626e;
  --surface:#ffffff; --surface-2:#eef6f8; --surface-solid:#f7fcfd; --line:rgba(15,60,75,.24); --glass-brd:rgba(15,60,75,.24);
  --accent-text:#0a6a82; --link:#0a6a82; --focus:#0a6a82; --navy:#0f3340; --navy-2:#2d7488; --sb:#7fb7c4;
  --hdr-bg:rgba(232,244,247,.92); --nav:#27495a; --nav-hover:#0f3340; --nav-hover-bg:rgba(45,116,136,.14); --nav-active:#0f3340; --nav-active-bg:rgba(45,116,136,.22);
  --logo-fg:#0f3340; --logo-grad:linear-gradient(92deg,#1b7f95,#1f7f74 55%,#6b34b8);
  --tile-bg:linear-gradient(145deg,#2a6f83,#16424f); --tile-fg:#ffffff; --key-edge:#8fe0c8; --key-glow:rgba(20,70,85,.35);
  --hero-bg:linear-gradient(160deg,#276578 0%,#1f5a6c 52%,#184d5d 100%);
  --hero-btn-bg:linear-gradient(135deg,#ffffff,#d9f4f8); --hero-btn-fg:#0f3340;
  --grad-text:linear-gradient(92deg,#0f3a47,#1b8aa0 50%,#6b34b8);
  --big-grad:linear-gradient(92deg,#0f3a47,#1b7f95);
  --btn-bg:linear-gradient(135deg,#2d7488 0%,#1d5566 100%); --btn-fg:#ffffff; --btn-sh:0 10px 24px rgba(29,85,102,.32); --btn-sh-h:0 16px 32px rgba(29,85,102,.40);
  --btn2-bg:linear-gradient(180deg,#ffffff,#e4f4f7); --btn2-fg:#0f3340;
  --ghost-bg:rgba(255,255,255,.6);
  --chip-bg:#ffffff; --chip-fg:#1f3f4b; --chip-sel-bg:linear-gradient(135deg,#2d7488,#1d5566); --chip-sel-fg:#ffffff; --chip-exam:#0a6a82; --chip-exam-bd:#0a6a82;
  --note-bg:#e1f2f6; --note-bd:#5fa9bb; --note-fg:#12303a; --note-strong:#0a2229;
  --good:#146c43; --good-bg:rgba(20,108,67,.14); --bad:#b3261e; --bad-bg:rgba(179,38,30,.12);
  --passage:#274551; --current-bg:rgba(0,170,200,.28);
  --footer-bg:linear-gradient(180deg,#26677a,#1b4a5a); --footer-fg:#e3f0f3; --footer-a:#ffffff;
  --kb-bg:radial-gradient(600px 220px at 50% 100%,rgba(143,224,200,.40),transparent 70%),linear-gradient(180deg,#276578,#184d5d);
  --ai-bg:#ffffff; --ai-bot-bg:#e4f0f3; --ai-bot-fg:#0f2a33;
  --th-bg:linear-gradient(90deg,#2d7488,#1d5566);
  --chart-grid:rgba(15,60,75,.18); --chart-text:#46626e; --chart-a:#2a9d8f; --chart-b:#6b34b8; --chart-dot:#1d5566;
  --shadow:0 12px 30px rgba(20,70,85,.14); --shadow-lg:0 24px 56px rgba(20,70,85,.22);
}

/* ---- page ---- */
html{scrollbar-color:var(--sb) var(--bg)}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--sb);border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--accent-text)}
body{color:var(--ink);background-color:var(--bg);background-image:var(--page-img);background-attachment:scroll;background-size:auto}
a{color:var(--link)}

/* ---- header / nav / logo ---- */
.site-header{background:var(--hdr-bg);border-bottom:1px solid var(--line)}
.logo{display:inline-flex;align-items:center;line-height:0}
.logo img{display:block;height:40px;width:auto}
.footer-logo img{height:28px}
.logo-black{display:none!important}
html[data-theme="light"] .site-header .logo-gold{display:none}
html[data-theme="light"] .site-header .logo-black{display:block!important}
.main-nav a{color:var(--nav)}
.main-nav a:hover{color:var(--nav-hover);background:var(--nav-hover-bg)}
.main-nav a.active{color:var(--nav-active);background:var(--nav-active-bg)}
.header-in{flex-wrap:wrap}
.theme-toggle{flex:none;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);cursor:pointer;padding:0;transition:transform .2s ease,border-color .2s ease}
.theme-toggle:hover{border-color:var(--accent-text);transform:rotate(-12deg)}
.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
html[data-theme="dark"] .ti-moon,html[data-theme="light"] .ti-sun{display:none}
@media (max-width:760px){.theme-toggle{margin-left:auto;width:36px;height:36px}.main-nav{order:3;width:100%}}

/* ---- hero (dark gradient in BOTH themes, so text is always white) ---- */
.hero{color:#fff;background:var(--hero-bg)}
.hero p{color:#e6eefb}
.hero .grad-text,.hero h1 em{background-image:linear-gradient(92deg,#ffffff,#bff5ea 45%,#6ff7e8 75%,#e8fbff)}
.hero .stat-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.26)}
.hero .stat-label{color:#f2f7fd}
.hero .btn{background:var(--hero-btn-bg);color:var(--hero-btn-fg)}
.hero .btn.ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
.grad-text{background-image:var(--grad-text)}

/* ---- buttons ---- */
.btn{background:var(--btn-bg);color:var(--btn-fg);box-shadow:var(--btn-sh),inset 0 1px 0 rgba(255,255,255,.3)}
.btn:hover{box-shadow:var(--btn-sh-h),inset 0 1px 0 rgba(255,255,255,.3)}
.btn.secondary{background:var(--btn2-bg);color:var(--btn2-fg);border:1px solid var(--line)}
.btn.ghost{background:var(--ghost-bg);color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent-text)}

/* ---- headings / text ---- */
h1.sec,h2.sec,.prose h2{color:var(--ink)}
.sec-sub,.card p,.faq details p,.prose p,.prose li,.elig-row .why,.compare figcaption,.weak-drill,table.rules td,.ai-typing{color:var(--ink-soft)}
.sec-sub strong,.prose strong,table.rules td:first-child{color:var(--ink)}
.card h3,.faq summary,.field label,.age-big,.test-controls .lbl,.elig-row .exam,.progress-panel h3,.status-line,.stat .num{color:var(--ink)}
.disclaimer,.stat .cap,.tap-hint{color:var(--ink-faint)}
.card .go{color:var(--accent-text)}
.faq summary::after{color:var(--accent-text)}

/* ---- cards / tables / notes ---- */
.card,.faq details,table.rules,.progress-panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.card:hover{border-color:var(--accent-text);box-shadow:var(--shadow-lg)}
table.rules th{background:var(--th-bg);color:#ffffff}
table.rules td{border-top:1px solid var(--line)}
table.rules tr:nth-child(even) td{background:rgba(127,150,170,.08)}
.note{background:var(--note-bg);border:1px solid var(--note-bd);color:var(--note-fg)}
.note strong{color:var(--note-strong)}

/* ---- typing test ---- */
.test-shell{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.chip{background:var(--chip-bg);color:var(--chip-fg);border:1px solid var(--line)}
.chip:hover{color:var(--ink);border-color:var(--accent-text)}
.chip.selected{background:var(--chip-sel-bg);color:var(--chip-sel-fg);border-color:transparent}
.chip.exam{color:var(--chip-exam);border-color:var(--chip-exam-bd)}
.chip.exam.selected{background:var(--btn-bg);color:var(--btn-fg);border-color:transparent}
.stat,.result-grid .stat{background:var(--surface-2);border:1px solid var(--line)}
.passage-box{background:var(--surface-solid);border:1px solid var(--line);box-shadow:inset 0 2px 10px rgba(0,0,0,.14)}
.passage-box:focus-within{border-color:var(--accent-text);box-shadow:0 0 0 3px rgba(0,190,220,.22)}
.passage{color:var(--passage)}
.passage .ch.correct{color:var(--good);background:var(--good-bg)}
.passage .ch.wrong{color:var(--bad);background:var(--bad-bg)}
.passage .ch.current,.passage .ch.current-space{background:var(--current-bg);box-shadow:inset 0 -3px 0 var(--accent-text)}
.progress-line{background:var(--line)}
.result-card{background:var(--surface);border:1px solid var(--note-bd)}
.result-card .big{background-image:var(--big-grad)}
.verdict.pass,.pill.yes{background:var(--good-bg);color:var(--good)}
.verdict.fail,.pill.no{background:var(--bad-bg);color:var(--bad)}
.badge{color:var(--ink-soft)}
.badge.on{color:var(--ink);background:var(--good-bg);border-color:var(--good)}

/* ---- forms / tools ---- */
.field input,.field select{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}
.field select option{background:var(--surface);color:var(--ink)}
.field input:focus,.field select:focus{border-color:var(--accent-text)}
.compare img{background:var(--surface-2);border:1px solid var(--line)}

/* ---- 3D keyboard box (always a dark stage) ---- */
.kb3d{background:var(--kb-bg);border:1px solid var(--line)}
.kb3d-cap{color:#dbe7f7}

/* ---- footer (dark in both themes) ---- */
footer.site-footer{background:var(--footer-bg);color:var(--footer-fg);border-top:1px solid var(--line)}
footer.site-footer a{color:var(--footer-a)}
footer.site-footer a:hover{color:#ffffff}

/* ---- Ask-TypFast AI widget ---- */
.ai-fab,.ai-send{background:var(--btn-bg);color:var(--btn-fg)}
.ai-panel{background:var(--ai-bg);border:1px solid var(--line)}
.ai-head{background:var(--th-bg);color:#ffffff}
.ai-msg-bot{background:var(--ai-bot-bg);color:var(--ai-bot-fg);border:1px solid var(--line)}
.ai-msg a{color:var(--accent-text)}
.ai-msg-user{background:var(--chip-sel-bg);color:#ffffff}
.ai-chip{background:var(--chip-bg);color:var(--chip-fg);border:1px solid var(--line)}
.ai-form{background:var(--surface-2);border-top:1px solid var(--line)}
.ai-input{background:var(--surface);color:var(--ink);border:1px solid var(--line)}

@media (prefers-reduced-motion:reduce){.hero::after,body.inner-page::before{animation:none}}
@media print{.theme-toggle,.ai-fab,.kb3d{display:none}}