.yck-math-quiz{--mq-purple:#7440c8;--mq-purple-dark:#542795;--mq-ink:#162948;--mq-muted:#56627b;--mq-border:#e5dff1;--mq-cream:#fffaf1;--mq-lilac:#f3edff;--mq-good:#11613f;--mq-bad:#97362c;margin:0;background:var(--mq-cream);color:var(--mq-ink);font-family:ui-rounded,"Trebuchet MS",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5;color-scheme:light}
.yck-math-quiz *,.yck-math-quiz *::before,.yck-math-quiz *::after{box-sizing:border-box}
.yck-math-quiz [hidden]{display:none!important}
.yck-math-quiz button,.yck-math-quiz input,.yck-math-quiz textarea{font:inherit}
.yck-math-quiz button,.yck-math-quiz a{-webkit-tap-highlight-color:transparent}
.yck-math-quiz button{cursor:pointer}
.yck-math-quiz a{color:var(--mq-purple-dark)}
.yck-math-quiz :focus-visible{outline:3px solid #146aa8;outline-offset:4px}
.yck-math-quiz .mq-skip{position:absolute;z-index:5;top:-80px;left:16px;background:#fff;padding:14px;border:2px solid var(--mq-purple);border-radius:10px}
.yck-math-quiz .mq-skip:focus{top:12px}
.yck-math-quiz .mq-site-header{max-width:1220px;margin:auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--mq-border)}
.yck-math-quiz .mq-logo{display:block;flex:0 1 196px;border-radius:12px;line-height:0}
.yck-math-quiz .mq-logo img{display:block;width:100%;height:auto;max-height:82px;object-fit:contain}
.yck-math-quiz .mq-language{display:flex;border-radius:999px;background:#fff;border:1px solid var(--mq-border);padding:4px;gap:3px}
.yck-math-quiz .mq-language button{border:0;background:transparent;color:var(--mq-ink);min-height:44px;padding:8px 14px;border-radius:999px;font-size:14px;font-weight:800}
.yck-math-quiz .mq-language button[aria-pressed="true"]{background:var(--mq-purple);color:#fff}
.yck-math-quiz .mq-wrap{max-width:1160px;margin:auto;padding:18px 28px 24px}
.yck-math-quiz .mq-breadcrumb{font-size:14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--mq-muted)}
.yck-math-quiz .mq-breadcrumb a{padding:8px 0;font-weight:800;text-underline-offset:4px}
.yck-math-quiz .mq-intro{max-width:810px;padding:14px 0 24px}
.yck-math-quiz .mq-eyebrow{color:var(--mq-purple-dark);font-size:12px;letter-spacing:.13em;font-weight:900;text-transform:uppercase;margin:0 0 8px}
.yck-math-quiz h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.035em;line-height:1.1;margin:0 0 14px;font-weight:900;text-wrap:balance}
.yck-math-quiz .mq-intro>p:not(.mq-eyebrow){max-width:730px;font-size:18px;line-height:1.55;color:var(--mq-muted);margin:0}
.yck-math-quiz .mq-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
.yck-math-quiz .mq-pills span{border:1px solid var(--mq-border);background:#fff;padding:6px 12px;border-radius:30px;font-size:12px;font-weight:800;color:var(--mq-purple-dark)}
.yck-math-quiz .mq-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start}
.yck-math-quiz .mq-sidebar{padding:20px;background:#f3edff;border:1px solid var(--mq-border);border-radius:24px}
.yck-math-quiz .mq-sidebar h2{font-size:17px;margin:0 0 14px}
.yck-math-quiz .mq-rounds{display:grid;gap:8px}
.yck-math-quiz .mq-round{display:flex;align-items:center;gap:12px;min-height:64px;border:1px solid #ddd2ec;background:#fff;border-radius:14px;padding:10px;text-align:left;color:var(--mq-ink);width:100%}
.yck-math-quiz .mq-round[aria-pressed="true"]{border-color:var(--mq-purple);box-shadow:0 0 0 1px var(--mq-purple);background:#fffcff}
.yck-math-quiz .mq-round-number{display:grid;place-items:center;border-radius:12px;width:36px;height:36px;flex-shrink:0;font-size:18px;font-weight:900;background:var(--mq-lilac);color:var(--mq-purple-dark)}
.yck-math-quiz .mq-round[aria-pressed="true"] .mq-round-number{background:var(--mq-purple);color:#fff}
.yck-math-quiz .mq-round strong,.yck-math-quiz .mq-round small{display:block}
.yck-math-quiz .mq-round strong{font-size:14px}
.yck-math-quiz .mq-round small{font-size:12px;color:var(--mq-muted)}
.yck-math-quiz .mq-side-actions{display:grid;gap:8px;border-top:1px solid #ddd2ec;padding-top:16px;margin-top:16px}
.yck-math-quiz .mq-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:11px 16px;border:1px solid #cec2e5;background:#fff;color:var(--mq-purple-dark);border-radius:14px;font-size:15px;font-weight:800;line-height:1.35;text-align:center;text-decoration:none}
.yck-math-quiz .mq-button:hover:not(:disabled){background:#eee5fc}
.yck-math-quiz .mq-primary{background:var(--mq-purple);border-color:var(--mq-purple);color:#fff;box-shadow:0 3px 0 var(--mq-purple-dark)}
.yck-math-quiz .mq-primary:hover:not(:disabled){background:var(--mq-purple-dark)}
.yck-math-quiz .mq-button-quiet{background:transparent;border-color:transparent;font-size:13px;min-height:44px}
.yck-math-quiz button:disabled{cursor:default;opacity:.52}
.yck-math-quiz .mq-save-note{font-size:12px;line-height:1.55;color:var(--mq-muted);margin:10px 0 0}
.yck-math-quiz .mq-game{background:#fff;border:1px solid var(--mq-border);border-radius:28px;box-shadow:0 12px 30px #46356409;padding:30px;min-width:0;scroll-margin-top:20px}
.yck-math-quiz .mq-game-header{display:flex;justify-content:space-between;align-items:center;gap:14px}
.yck-math-quiz .mq-meta{font-size:13px;font-weight:900;color:var(--mq-purple-dark);margin:0}
.yck-math-quiz .mq-counter{font-size:14px;color:var(--mq-muted);margin:2px 0 0}
.yck-math-quiz .mq-score{margin:0;border-radius:12px;background:#fff3d0;color:#664507;padding:8px 12px;font-weight:800;font-size:12px;white-space:nowrap}
.yck-math-quiz .mq-progress{height:8px;overflow:hidden;background:#eee8f7;border-radius:20px;margin:20px 0 26px}
.yck-math-quiz .mq-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#7440c8,#b165da);border-radius:20px;transition:width .2s ease}
.yck-math-quiz .mq-category{display:inline-block;border-radius:6px;padding:4px 8px;margin:0;background:#f3edff;color:var(--mq-purple-dark);font-weight:800;font-size:12px}
.yck-math-quiz .mq-question{font-size:clamp(21px,2.25vw,27px);line-height:1.5;letter-spacing:-.015em;margin:13px 0 25px;overflow-wrap:anywhere;font-weight:800}
.yck-math-quiz .mq-field{margin:0 0 16px}
.yck-math-quiz .mq-field label{display:block;font-size:15px;font-weight:800;margin-bottom:8px}
.yck-math-quiz .mq-field input,.yck-math-quiz .mq-field textarea{display:block;width:100%;min-height:58px;border:2px solid #d8cee9;border-radius:14px;background:#fffcff;color:var(--mq-ink);padding:13px 15px;font-size:18px;line-height:1.45}
.yck-math-quiz .mq-field textarea{font-size:16px;resize:vertical;min-height:110px}
.yck-math-quiz .mq-field input:focus,.yck-math-quiz .mq-field textarea:focus{border-color:var(--mq-purple)}
.yck-math-quiz .mq-field input:disabled,.yck-math-quiz .mq-field textarea:disabled{opacity:1;color:#53627b;-webkit-text-fill-color:#53627b;background:#f6f4f9}
.yck-math-quiz .mq-field input[aria-invalid="true"],.yck-math-quiz .mq-field textarea[aria-invalid="true"]{border-color:var(--mq-bad)}
.yck-math-quiz .mq-field-note{font-size:13px;line-height:1.5;color:var(--mq-muted);margin:8px 0 0}
.yck-math-quiz .mq-symbol-keyboard{display:flex;gap:10px;margin:0 0 18px}
.yck-math-quiz .mq-symbol-keyboard button{font-size:24px;min-width:62px}
.yck-math-quiz .mq-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.yck-math-quiz .mq-actions>.mq-button{min-width:160px}
.yck-math-quiz .mq-feedback{border-radius:18px;background:#edf8f1;border:1px solid #afdbbe;color:var(--mq-ink);margin-top:24px;padding:20px;overflow-wrap:anywhere}
.yck-math-quiz .mq-feedback[data-result="incorrect"]{background:#fff5ed;border-color:#edcbb6}
.yck-math-quiz .mq-feedback h3{color:var(--mq-good);font-size:20px;margin:0 0 12px}
.yck-math-quiz .mq-feedback[data-result="incorrect"] h3{color:var(--mq-bad)}
.yck-math-quiz .mq-feedback p{font-size:16px;line-height:1.55;margin:8px 0}
.yck-math-quiz .mq-feedback .mq-explanation-review{border-top:1px solid #16294826;padding-top:12px;margin-top:16px;font-size:14px}
.yck-math-quiz .mq-validation{color:var(--mq-bad);font-weight:800;font-size:14px}
.yck-math-quiz .mq-summary{text-align:center;padding:12px 0 24px}
.yck-math-quiz .mq-summary h2{font-size:28px;margin:8px 0}
.yck-math-quiz .mq-summary .mq-summary-score{font-size:48px;font-weight:900;color:var(--mq-purple-dark);margin:15px 0 0}
.yck-math-quiz .mq-summary p{color:var(--mq-muted)}
.yck-math-quiz .mq-summary .mq-actions{justify-content:center}
.yck-math-quiz .mq-footnote{font-size:13px;text-align:center;color:var(--mq-muted);margin:24px 0 0}
.yck-math-quiz .mq-storage-warning{border:1px solid #bc7b25;background:#fff0cf;padding:12px 16px;border-radius:12px;color:#6b470c;font-size:14px;line-height:1.5;margin:0 0 18px}
.yck-math-quiz .mq-site-footer{max-width:1104px;padding:24px 0 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--mq-border)}
.yck-math-quiz .mq-site-footer p{font-size:12px;font-weight:800;color:var(--mq-muted);text-align:center}
@media(max-width:850px){.yck-math-quiz .mq-layout{grid-template-columns:1fr;gap:18px}.yck-math-quiz .mq-sidebar{padding:16px}.yck-math-quiz .mq-rounds{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.yck-math-quiz .mq-round{justify-content:center;padding:9px 6px;gap:5px;flex-direction:column;text-align:center;min-height:90px}.yck-math-quiz .mq-round strong{font-size:12px}.yck-math-quiz .mq-round small{font-size:11px}.yck-math-quiz .mq-side-actions{display:flex;flex-wrap:wrap;padding-top:12px;margin-top:12px;gap:8px}.yck-math-quiz .mq-side-actions .mq-button{min-height:44px}.yck-math-quiz .mq-save-note{margin-top:8px}.yck-math-quiz .mq-site-footer{margin:0 28px}}
@media(max-width:540px){.yck-math-quiz .mq-site-header{padding:12px 16px;gap:10px}.yck-math-quiz .mq-logo{flex-basis:156px}.yck-math-quiz .mq-language{padding:3px}.yck-math-quiz .mq-language button{font-size:12px;padding:7px 10px}.yck-math-quiz .mq-wrap{padding:12px 16px 22px}.yck-math-quiz .mq-intro{padding:12px 0 20px}.yck-math-quiz .mq-intro>p:not(.mq-eyebrow){font-size:16px}.yck-math-quiz h1{font-size:32px}.yck-math-quiz .mq-eyebrow{font-size:11px}.yck-math-quiz .mq-pills span{font-size:11px}.yck-math-quiz .mq-sidebar{padding:13px;border-radius:19px}.yck-math-quiz .mq-sidebar h2{font-size:15px;margin-bottom:10px}.yck-math-quiz .mq-rounds{gap:5px}.yck-math-quiz .mq-round{padding:7px 3px;min-height:86px;border-radius:11px}.yck-math-quiz .mq-round-number{width:29px;height:29px;border-radius:8px;font-size:15px}.yck-math-quiz .mq-round strong{font-size:10px}.yck-math-quiz .mq-round small{font-size:10px}.yck-math-quiz .mq-side-actions .mq-button{font-size:12px;padding:9px 10px;flex:1}.yck-math-quiz .mq-save-note{font-size:11px}.yck-math-quiz .mq-game{padding:20px 16px;border-radius:22px}.yck-math-quiz .mq-game-header{gap:8px;align-items:flex-start;flex-wrap:wrap}.yck-math-quiz .mq-score{font-size:11px;padding:6px 9px}.yck-math-quiz .mq-progress{margin:18px 0 20px}.yck-math-quiz .mq-question{font-size:21px;margin:12px 0 21px;line-height:1.48}.yck-math-quiz .mq-field input{font-size:18px}.yck-math-quiz .mq-actions>.mq-button{width:100%;min-width:0}.yck-math-quiz .mq-feedback{padding:16px}.yck-math-quiz .mq-site-footer{margin:0 16px;flex-direction:column;padding:20px 0 26px;gap:8px}.yck-math-quiz .mq-site-footer .mq-button{width:100%}.yck-math-quiz .mq-breadcrumb{font-size:12px}.yck-math-quiz .mq-footnote{font-size:12px}}
@media(prefers-reduced-motion:reduce){.yck-math-quiz .mq-progress span{transition:none}}