:root{--cream:#fff8ec;--ink:#241938;--purple:#6c4ab6;--coral:#ff6b5d;--gold:#ffb800;--muted:#6b6178;--display:'Fredoka',sans-serif;--body:'Nunito',sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:var(--body);background:radial-gradient(circle at 10% 0,#eee4ff 0,transparent 30%),var(--cream)}header{height:76px;padding:0 max(20px,5vw);display:flex;align-items:center;justify-content:space-between;background:rgba(255,248,236,.94);border-bottom:1px solid #e6ddec}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand>span{font-size:2.4rem;color:var(--purple)}.brand strong,.brand small{display:block;font-family:var(--display)}.brand small{color:var(--coral);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em}.home-link{color:var(--purple);font-weight:800;text-decoration:none}main{width:min(1120px,calc(100% - 28px));margin:0 auto;padding:52px 0}.intro{text-align:center;max-width:760px;margin:0 auto 30px}.eyebrow,.step{color:var(--purple);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}.intro h1{font-family:var(--display);font-size:clamp(2.8rem,6vw,4.8rem);line-height:1;margin:.4rem 0 1rem}.intro>p:not(.eyebrow){font-size:1.1rem;color:var(--muted);line-height:1.7}.pills{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}.pills span{background:#fff;border:1px solid #dfd4e7;border-radius:999px;padding:.5rem .8rem;font-size:.82rem;font-weight:800}.card{background:#fff;border:1px solid #e1d7e8;border-radius:26px;box-shadow:0 20px 55px rgba(56,36,77,.13);padding:clamp(1.4rem,4vw,2.8rem);max-width:900px;margin:0 auto}.card h2{font-family:var(--display);font-size:2rem;margin:.4rem 0 1.5rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}.form-grid label{display:grid;gap:.4rem;font-size:.88rem;font-weight:800}.form-grid input{height:48px;border:1px solid #d7cddd;border-radius:12px;padding:.75rem;font:inherit}.form-grid input:focus{outline:3px solid #eadfff;border-color:var(--purple)}button,.primary,.secondary{border:0;border-radius:999px;padding:.95rem 1.5rem;font:800 1rem var(--display);cursor:pointer;text-decoration:none;text-align:center}.primary{display:block;background:var(--coral);color:#fff;box-shadow:0 5px 0 #d14a3e}.primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.secondary{background:#fff;color:var(--purple);border:2px solid var(--purple)}form>.primary{width:100%;margin-top:1.5rem}.privacy{text-align:center;color:#8d8293;font-size:.75rem}.test{max-width:1100px}.progress-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1rem;margin-bottom:1.3rem;font-size:.85rem}.progress{height:9px;background:#eee8f2;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--purple),var(--coral));transition:.3s}.test-grid{display:grid;grid-template-columns:minmax(350px,620px) 1fr;gap:2rem;align-items:center}.board-shell{padding:10px;border-radius:18px;box-shadow:0 14px 36px rgba(36,25,56,.2)}.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;overflow:hidden;border-radius:10px}.square{position:relative;display:grid;place-items:center;border:0;padding:0;aspect-ratio:1}.square.light{background:#f0ead7}.square.dark{background:#7c61a7}.square.selected{box-shadow:inset 0 0 0 5px var(--gold)}.piece{z-index:2;font-family:'Segoe UI Symbol','Arial Unicode MS',sans-serif;font-size:clamp(2rem,6vw,4.1rem);line-height:1;cursor:grab;user-select:none;filter:drop-shadow(0 2px 1px rgba(0,0,0,.25))}.piece.white{color:#fff;-webkit-text-stroke:1px #251b31}.piece.black{color:#21172c;-webkit-text-stroke:.5px #fff}.file,.rank{position:absolute;font-size:.62rem;font-weight:900;opacity:.75}.rank{top:2px;left:4px}.file{bottom:2px;right:4px}.category{display:inline-block;background:#eee5ff;color:var(--purple);border-radius:999px;padding:.4rem .7rem;font-size:.72rem;font-weight:800;text-transform:uppercase}.test aside h2{font-size:clamp(1.8rem,3vw,2.5rem);margin:1rem 0 .7rem}.test aside>p{color:var(--muted);line-height:1.65}.feedback{min-height:70px;margin:1.2rem 0;padding:1rem;border:1px dashed #c8bdcf;border-radius:12px;color:#786f80}.feedback.correct{background:#e9f8f1;border-style:solid;border-color:#8fcdb1;color:#08704e;font-weight:800}.feedback.incorrect{background:#fff6da;border-style:solid;border-color:#e4c369;color:#72550e}.test aside .primary{width:100%}.exit{display:block;margin:.8rem auto 0;background:none;color:#887d90;text-decoration:underline;padding:.4rem}.result{text-align:center;max-width:650px}.trophy{width:72px;height:72px;display:grid;place-items:center;margin:0 auto 1rem;border-radius:50%;background:#fff0b7;font-size:2rem}.level{display:inline-block;padding:.75rem 1.7rem;border-radius:999px;background:var(--purple);color:#fff;font:700 1.8rem var(--display)}.result>p{color:var(--muted);line-height:1.7}.actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.5rem}.error{text-align:center}footer{text-align:center;padding:24px;color:#7f7587;font-size:.82rem}footer a{color:var(--purple)}[hidden]{display:none!important}
@media(max-width:820px){.test-grid{grid-template-columns:1fr}}@media(max-width:540px){header{height:66px}.home-link{font-size:.8rem}.brand strong{font-size:.9rem}.intro h1{font-size:2.8rem}.form-grid{grid-template-columns:1fr}.card{border-radius:20px}.progress-row{grid-template-columns:1fr auto}.progress{grid-column:1/-1;grid-row:2}.board-shell{padding:6px}.actions{flex-direction:column}.actions>*{width:100%}}

/* Consistent Staunton pieces on every browser and device */
.board .piece{display:block;width:88%;height:88%;object-fit:contain;font-size:0;color:transparent;-webkit-text-stroke:0;cursor:grab;user-select:none;filter:drop-shadow(0 2px 2px rgba(0,0,0,.28))}
.board .piece:active{cursor:grabbing}

/* Chess cells must override the site's rounded button styling */
.board .square{border-radius:0!important;margin:0!important;padding:0!important;min-width:0!important;min-height:0!important;width:auto!important;height:auto!important;box-shadow:none;outline:0;appearance:none;-webkit-appearance:none}
.board .square.selected{box-shadow:inset 0 0 0 5px var(--gold)!important}