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:root{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;color-scheme:dark;--bg:#091324;--panel:#101f38;--line:#354b70;--text:#edf5ff;--sub:#bacce3;--accent:#67e8d3;--second:#6b8dce;--btn:#102b49;--input:#081b30}html[data-theme=light]{color-scheme:light;--bg:#f4f7fd;--panel:#fff;--line:#c2d2e5;--text:#152942;--sub:#45617b;--accent:#04776e;--second:#516fa6;--btn:#edf4ff;--input:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.55}a{color:inherit}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.skip{position:absolute;top:-100px;left:12px;background:var(--bg);padding:10px;z-index:10}.skip:focus{top:12px}.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px max(22px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:var(--panel)}.logo{text-decoration:none;white-space:nowrap;font-size:1.1rem;font-weight:800}.logo strong{color:var(--accent)}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--sub);font-size:.92rem}.bar button{background:var(--btn);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:8px 12px}main{max-width:1180px;margin:auto;padding:18px 22px 60px}.hero{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:35px 12px 30px}.hero h1{font-size:clamp(2.2rem,5vw,4.1rem);line-height:1.08;letter-spacing:-.05em;margin:12px 0}.hero h1 em{font-style:normal;color:var(--accent)}.hero .lead{max-width:720px;font-size:1.07rem;color:var(--sub)}.eyebrow{font-size:.76rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase;color:var(--accent)}.art{font-size:clamp(5rem,14vw,9rem);font-weight:900;color:var(--accent);opacity:.6;position:relative}.art span{position:absolute;font-size:2.7rem;color:var(--text);left:35%;top:58%}.pills{display:flex;flex-wrap:wrap;gap:9px}.pills span{padding:6px 11px;border:1px solid var(--line);border-radius:40px;font-size:.82rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:clamp(17px,3vw,28px);margin:18px 0;box-shadow:0 13px 40px #00000012}.panel h2{font-size:clamp(1.35rem,3vw,1.9rem);margin:0 0 12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-head>p{color:var(--sub)}.grade-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin:15px 0}.grade-grid button{min-height:76px;background:var(--btn);border:1px solid var(--line);border-radius:15px;padding:12px 8px;color:var(--text);font-weight:750}.grade-grid button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--panel))}.fields{display:grid;grid-template-columns:1fr 1.5fr;gap:16px;margin:17px 0}.fields label,#answerForm label{display:grid;gap:7px;font-weight:700}.fields select,#answer{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;color:var(--text);background:var(--input)}.pre{color:var(--sub);margin:10px 0 18px}.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{border:1px solid var(--line);padding:12px 16px;border-radius:13px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:750;min-height:46px}.primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}html[data-theme=light] .primary{color:#fff}.secondary{background:var(--btn);color:var(--text)}.note{font-size:.87rem;color:var(--sub)}.question{padding:28px 22px;border:1px solid var(--line);border-radius:16px;font-size:1.18rem;font-weight:650;background:var(--input)}.answer-row{display:flex;gap:10px;margin-top:8px}.answer-row input{flex:1;min-width:0}.feedback{min-height:0;margin-top:12px;font-weight:650}.feedback.ok{color:var(--accent)}.feedback.bad{color:#e7a995}.nova{border:1px solid var(--line);border-radius:15px;padding:18px;margin:20px 0;background:var(--btn)}.nova p{color:var(--sub)}.count{white-space:nowrap;font-size:.9rem;font-weight:800;color:var(--sub)}.meter{height:9px;border-radius:20px;overflow:hidden;background:var(--input);margin:12px 0 20px}.meter span{height:100%;display:block;width:0%;background:var(--accent);transition:width .2s}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:12px;margin:12px 0}.stat{border:1px solid var(--line);border-radius:15px;padding:16px;background:var(--input)}.stat strong{display:block;font-size:1.55rem;font-variant-numeric:tabular-nums}.stat small{display:block;color:var(--sub)}.interpretation{line-height:1.65;background:var(--btn);border-radius:15px;padding:17px;margin:16px 0}.review details{padding:10px 0;border-bottom:1px solid var(--line)}.review summary{cursor:pointer;font-weight:750}.review p{margin:7px 0}.history{display:grid;gap:12px}.history-item{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:10px 0}.history-item small{color:var(--sub)}.fileLabel{cursor:pointer}footer{text-align:center;color:var(--sub);padding:18px 15px 45px}@media(max-width:900px){nav{gap:10px}.grade-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{padding:25px 3px}.art{display:none}}@media(max-width:540px){.bar{padding:13px;flex-wrap:wrap}.bar nav{order:3;width:100%;justify-content:space-between;gap:8px}.bar nav a{font-size:.78rem}.hero{padding:12px 0 17px}.fields{grid-template-columns:1fr}.grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.answer-row{flex-direction:column}.row .btn{flex:1 1 auto}.panel{border-radius:16px}.section-head{align-items:flex-start;flex-direction:column}.section-head>p{margin:0}}