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rgba(var(--primary-rgb),.16),inset 0 2px 5px #ffffff8c,inset 0 -3px 6px #3c321424}.st-target-side{box-shadow:0 4px 14px rgba(var(--primary-rgb),.35)}.st-cell{position:relative;border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--border-strong) 78%,transparent);background:linear-gradient(160deg,color-mix(in srgb,var(--bg-elevated) 94%,var(--primary-light)) 0%,var(--bg-elevated) 46%,color-mix(in srgb,var(--bg-elevated) 97%,var(--primary-soft)) 100%);box-shadow:0 4px 12px #3c321414,inset 0 1px #ffffffbf,inset 0 -2px 5px #3c32140d}.st-cell:hover:not(.done):not(.wrong):not(.hidden){border-color:var(--primary);transform:translateY(-3px);box-shadow:0 10px 24px rgba(var(--primary-rgb),.22),inset 0 1px #fffc,inset 0 -2px 5px #3c32140d}.st-cell:active:not(.done){transform:scale(.94);box-shadow:0 2px 6px #3c32141f,inset 0 2px 6px #3c32141a}.st-cell.done:after{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--primary);animation:st-ripple .55s ease-out forwards;pointer-events:none}@keyframes st-ripple{0%{opacity:.85;transform:scale(.88)}to{opacity:0;transform:scale(1.28)}}.st-cell.done{box-shadow:none;background:transparent}.st-disc{background:radial-gradient(circle at 50% 38%,color-mix(in srgb,var(--bg-elevated) 82%,transparent),transparent 58%),radial-gradient(circle at 50% 110%,rgba(var(--primary-rgb),.14),transparent 62%);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid color-mix(in srgb,var(--border) 68%,transparent);box-shadow:0 18px 50px rgba(var(--primary-rgb),.16),inset 0 0 46px rgba(var(--primary-rgb),.07),inset 0 1px #ffffff59}.st-ring{border-radius:50%;pointer-events:none}.st-ring:before{content:"";position:absolute;inset:0;border-radius:50%;border:1px dashed color-mix(in srgb,var(--primary) 26%,transparent);pointer-events:none}.st-dnum{display:flex;align-items:center;justify-content:center;padding:0;border:none!important;border-radius:0!important;background:color-mix(in srgb,var(--bg-elevated) 58%,var(--primary-soft))!important;color:var(--text);font-family:var(--font-mono);font-size:clamp(17px,2.7vw,26px);font-weight:700;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation;pointer-events:auto;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--primary) 22%,transparent)!important;transition:background-color .12s ease,color .12s ease,opacity .22s ease}.st-dnum span{display:block;will-change:transform;transition:transform .1s linear}.st-dnum:hover:not(.done):not(.wrong){background:color-mix(in srgb,var(--primary-soft) 75%,var(--bg-elevated))!important;color:var(--primary-dark)}.st-dnum.wrong{background:color-mix(in srgb,var(--error-soft) 80%,var(--bg-elevated))!important;color:var(--error)!important}.st-dnum.done{background:transparent!important;color:var(--text-tertiary)!important;opacity:.22;box-shadow:none!important;cursor:default}.st-dnum.done span{transform:none!important}.st-dnum{background:linear-gradient(160deg,var(--bg-elevated) 0%,color-mix(in srgb,var(--bg-elevated) 82%,var(--primary-light)) 100%);border:1px solid color-mix(in srgb,var(--border-strong) 80%,transparent);box-shadow:0 4px 10px #3c32141f,inset 0 1px #fffc,inset 0 -2px 4px #3c32140d}.st-dnum:hover:not(.done):not(.wrong){border-color:var(--primary);box-shadow:0 8px 20px rgba(var(--primary-rgb),.25),inset 0 1px #ffffffd9}.st-dnum.done:after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--primary);animation:st-ripple .55s ease-out forwards;pointer-events:none}.st-dnum.done{box-shadow:none;background:transparent}.st-hub{box-shadow:0 6px 16px rgba(var(--primary-rgb),.35),inset 0 1px #ffffff80}.st-train-ring stop:first-child{stop-color:var(--primary-light)}.st-train-ring stop:last-child{stop-color:var(--primary-dark)}.st-train-ring .ring-bar{filter:drop-shadow(0 0 5px rgba(var(--primary-rgb),.65))}.st-result-inner{border-radius:var(--radius-lg)}.st-result-grade{animation:st-pop .55s cubic-bezier(.2,1.4,.4,1) both;text-shadow:0 6px 28px rgba(var(--primary-rgb),.45)}@keyframes st-pop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}.st-metric{background:color-mix(in srgb,var(--bg-secondary) 70%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid color-mix(in srgb,var(--border) 70%,transparent);box-shadow:var(--shadow-xs),inset 0 1px #ffffff59}.st-metric b{background:linear-gradient(120deg,var(--primary-dark),var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent}.st-result-note{background:linear-gradient(120deg,var(--primary-soft),color-mix(in srgb,var(--primary-soft) 50%,var(--bg-elevated)));border:1px solid color-mix(in srgb,var(--primary) 26%,transparent)}.st-bar{background:linear-gradient(180deg,var(--primary-light),var(--primary-dark));box-shadow:0 2px 8px rgba(var(--primary-rgb),.2)}.st-bar:last-child{box-shadow:0 0 14px rgba(var(--primary-rgb),.55)}.st-discs[hidden],.st-grid[hidden]{display:none!important}.st-dnum.done:after{display:none}.st-veil-inner{padding:clamp(20px,5vw,40px);border:1px solid color-mix(in srgb,var(--border) 70%,transparent);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--bg-elevated) 80%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-lg)}.st-answer{background:linear-gradient(160deg,var(--bg-elevated),color-mix(in srgb,var(--bg-elevated) 85%,var(--primary-light)));box-shadow:0 4px 12px #3c32141a,inset 0 1px #ffffffb3}.st-answer:hover{box-shadow:0 8px 22px rgba(var(--primary-rgb),.28),inset 0 1px #fffc}[data-theme=dark] .st-glow-1,[data-theme=dark] .st-train-bg .st-glow-1{background:radial-gradient(circle,rgba(var(--primary-rgb),.18),transparent 66%)}[data-theme=dark] .st-glow-2{background:radial-gradient(circle,rgba(var(--primary-rgb),.13),transparent 66%)}[data-theme=dark] .st-glow-3{background:radial-gradient(circle,rgba(var(--primary-rgb),.1),transparent 66%)}[data-theme=dark] .st-dust-p{background:rgba(var(--primary-rgb),.75)}[data-theme=dark] .st-hero-title{filter:drop-shadow(0 3px 14px rgba(var(--primary-rgb),.35))}@media(prefers-reduced-motion:reduce){.st-glow,.st-dust-p,.st-mode,.st-hero-badge,.st-result-grade,.st-cell.done:after,.st-dnum.done:after,.st-start-btn:before{animation:none!important}.st-mode{opacity:1;transform:none}}