:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#29283f;background:#f6f5fa;font-synthesis:none;--paper:#fff;--ink:#29283f;--muted:#625f78;--line:#d8d6e7;--accent:#4d4c96;--wash:#eeedf8;--good:#285b4b;--bad:#963d47}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1080px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:12px;align-items:center}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:21px;font-weight:700;color:var(--ink)}.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px}.mark{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:var(--accent);color:#fff;font-family:Georgia,serif;font-size:32px}header>div{display:flex;gap:8px}main{min-height:65vh;padding-top:12px}h1{font-size:clamp(29px,5vw,42px);line-height:1.14;letter-spacing:-.04em;margin:10px 0 16px;font-weight:650}h2{font-size:22px;margin:12px 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8px}select{max-width:100%;width:100%}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #b88633;outline-offset:3px}.skip{position:absolute;left:8px;top:-80px}.skip:focus{top:8px;background:var(--paper);padding:12px;z-index:2}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;color:var(--accent);font-weight:750}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:center;margin:12px 0 28px}.stats{display:flex;gap:24px;padding:24px;border-radius:20px;background:#e8e6f4}.stats strong{display:block;font-size:34px;font-weight:600}.stats span{font-size:13px;color:var(--muted)}.toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.toolbar>div{flex:1;min-width:150px}.tabs{display:flex;gap:8px}.tabs button[aria-pressed=true]{background:var(--accent);color:white}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:24px}.mode{display:flex;text-align:left;flex-direction:column;gap:10px;padding:22px;min-height:130px;border-radius:18px}.mode strong{font-size:19px}.mode span{font-size:14px;color:var(--muted);line-height:1.5}.decks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.deck{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:15px}.deck h3{margin:5px 0 10px}progress{width:100%;height:8px;accent-color:var(--accent)}.study{max-width:710px;margin:auto}.study-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.flash{min-height:200px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:14px;margin:20px 0;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:24px}.prompt{font-size:clamp(24px,4vw,34px);line-height:1.4;overflow-wrap:anywhere;margin:8px 0}.answer{font-size:28px;color:var(--accent)}.accents{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.accents button{min-width:48px;padding:8px}.feedback{padding:14px 16px;border-radius:12px;background:var(--wash);min-height:53px;margin-top:14px;line-height:1.55;overflow-wrap:anywhere}.good{color:var(--good)}.bad{color:var(--bad)}.note{font-size:14px;color:var(--muted)}.match{display:grid;grid-template-columns:1fr 1fr;gap:10px}.match>div{display:grid;gap:9px}.match button{width:100%;min-height:62px;overflow-wrap:anywhere}.match button.selected{outline:3px solid var(--accent)}.match button.done{opacity:.38}.options{display:grid;gap:10px}.paragraph{line-height:2.1;overflow-wrap:anywhere}.gap{display:inline-block;background:var(--wash);border-radius:5px;padding:0 6px;color:var(--accent)}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:12px 8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.table-wrap{overflow:auto}footer{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);padding-bottom:32px}footer button{font-size:12px}.banner{padding:14px;background:#f3e6c8;border-radius:12px;color:#57441e;margin:14px 0}.hidden,[hidden]{display:none!important}body.dark{--paper:#252438;--ink:#f1effa;--muted:#bdb9d0;--line:#48455e;--accent:#b5aff0;--wash:#343149;--good:#9dd7bd;--bad:#ffb6bf;background:#1c1b2b;color:var(--ink)}body.dark .stats{background:#343149}body.dark .primary{color:#222035}body.dark .mark{color:#222035}@media(max-width:760px){header,main,footer{padding:18px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:16px;grid-template-columns:1fr}.stats{padding:18px}.decks{grid-template-columns:1fr}.panel{padding:18px}.brand{font-size:18px}.brand 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button{min-width:48px}
main:focus{outline:none}.toolbar>div{min-width:230px}.tabs button{flex:0 0 auto}