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8px;font-size:1.6rem;font-weight:600}.equation__side.is-piled .equation__count{border-color:var(--side);background:var(--card)}.equation__count:focus{border-color:var(--side);background:var(--card);box-shadow:0 0 0 3px color-mix(in srgb, var(--side) 20%, transparent);outline:none}.equation__count[aria-invalid=true]{border-color:var(--coral)}.equation__name{-webkit-line-clamp:2;text-align:center;-webkit-box-orient:vertical;font-size:.85rem;font-weight:800;line-height:1.2;display:-webkit-box;overflow:hidden}.equation__equals{font-family:var(--font-display);color:var(--ink-soft);padding-top:6px;font-size:1.6rem;font-weight:600}.controls__slider-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:8px;display:grid}.controls__track{flex-direction:column;min-width:0;display:flex}.nudge{border:2px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--paper-deep);width:54px;height:48px;box-shadow:0 3px 0 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strong{font-family:var(--font-display);font-size:1.3rem;font-weight:600}.result__guess{color:var(--ink-soft);padding:0 4px;font-size:.9rem;font-weight:700;line-height:1.35}.result__guess strong{color:inherit}.summary{flex-direction:column;flex:1 0 auto;justify-content:safe center;gap:10px;animation:.5s cubic-bezier(.2,.8,.2,1) rise;display:flex}.summary__hero{text-align:center}.eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);font-size:.75rem;font-weight:800}.summary__title{font-size:clamp(1.5rem,6vw,2rem)}.summary__total{font-family:var(--font-display);color:var(--coral-deep);font-variant-numeric:tabular-nums;font-size:clamp(2.6rem,12vw,3.6rem);font-weight:700;line-height:1.05}.summary__total span{color:var(--ink-soft);font-size:.38em}.summary__accuracy{color:var(--ink-soft);font-size:.9rem;font-weight:800}.strip{grid-template-columns:repeat(5,1fr);gap:6px;margin:0;padding:0;list-style:none;display:grid}.strip__cell{background:var(--card);border:2px solid var(--line);border-top:6px solid var(--tone);border-radius:var(--radius-sm);box-shadow:var(--shadow);flex-direction:column;align-items:center;gap:2px;padding:8px 4px 6px;display:flex}.strip__cell.is-great{--tone:var(--tile-great)}.strip__cell.is-good{--tone:var(--tile-good)}.strip__cell.is-miss{--tone:var(--tile-miss)}.strip__icons{font-size:.95rem;display:flex}.strip__points{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:1.1rem;font-weight:600}.panel{padding:12px 14px}.panel__title{font-size:.75rem;font-family:var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px;font-weight:800}.compare__loading{min-height:120px}.compare__stats{grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:10px;display:grid}.compare__stats p{border-radius:var(--radius-sm);background:var(--paper);text-align:center;flex-direction:column;align-items:center;padding:6px 4px;line-height:1.2;display:flex}.compare__stats span{letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);font-size:.68rem;font-weight:800}.compare__stats strong{font-family:var(--font-display);font-size:1.35rem;font-weight:600}.histogram{align-items:flex-end;gap:4px;height:52px;display:flex}.histogram__bar{background:var(--line);border-radius:5px 5px 2px 2px;flex:1;min-height:3px}.histogram__bar.is-you{background:var(--coral)}.compare__note{text-align:center;color:var(--ink-soft);margin-top:6px;font-size:.72rem;font-weight:700}.share{flex-direction:column;gap:8px;display:flex}.share-preview{border-radius:var(--radius-sm);background:radial-gradient(circle at 100% 0%, #ffc23d2e, transparent 55%), var(--paper);box-shadow:inset 0 0 0 2px var(--line);justify-content:center;align-items:center;gap:14px;padding:9px 14px;display:flex}.share-preview__tiles{gap:5px;display:flex}.share-preview__tile{border-radius:7px;width:24px;height:24px;box-shadow:inset 0 -3px #2e2a2524,0 1.5px 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20px;font-size:1.25rem;display:flex}.share__copy:disabled{cursor:progress;opacity:.85}.share__icon{fill:none;stroke:currentColor;stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:1.1em;height:1.1em}.share-card-stage{pointer-events:none;position:fixed;top:0;left:-10000px}.share-card{background-color:var(--paper);background-image:radial-gradient(var(--paper-dot) 1.2px, transparent 1.2px);width:360px;height:450px;color:var(--ink);font-family:var(--font-body);text-align:center;background-size:18px 18px;flex-direction:column;justify-content:space-between;align-items:center;padding:22px 20px 18px;display:flex}.share-card__head{flex-direction:column;align-items:center;gap:3px;display:flex}.share-card__brand{font-family:var(--font-display);align-items:center;gap:7px;font-size:22px;font-weight:700;display:flex}.share-card__brand 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span{color:var(--ink-soft);font-size:20px}.share-card__rank{color:var(--ink-soft);font-size:14px;font-weight:800}.share-card__rounds{grid-template-columns:repeat(5,1fr);gap:6px;width:100%;margin:4px 0 0;padding:0;list-style:none;display:grid}.share-card__round{border:2px solid var(--line);border-top:5px solid var(--tone);border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:6px 2px 5px;display:flex}.share-card__round.is-great{--tone:var(--tile-great)}.share-card__round.is-good{--tone:var(--tile-good)}.share-card__round.is-miss{--tone:var(--tile-miss)}.share-card__icons{font-size:14px;display:flex}.share-card__round strong{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:15px;font-weight:600}.share-card__beat{background:var(--sun-soft);border-radius:999px;margin-top:4px;padding:3px 12px;font-size:13px;font-weight:800}.share-card__cta{flex-direction:column;align-items:center;gap:1px;display:flex}.share-card__cta strong{font-family:var(--font-display);color:var(--coral-deep);font-size:20px;font-weight:600}.share-card__cta span{color:var(--ink-soft);font-size:12px;font-weight:800}.share__copy:hover{background:#45c2a4}.next-puzzle{text-align:center;color:var(--ink-soft);font-size:.85rem;font-weight:700}.next-puzzle strong{font-family:var(--font-display);color:var(--ink);font-variant-numeric:tabular-nums;font-size:1.05rem}.link-button{color:var(--teal-deep);background:0 0;border:0;padding:0;font-weight:800;text-decoration:underline}.help{border:3px solid var(--ink);border-radius:var(--radius);background:var(--card);width:min(460px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ink);box-shadow:0 8px 0 var(--ink);padding:0;overflow-y:auto}.help::backdrop{background:#2e2a2573}.help__body{flex-direction:column;gap:12px;padding:20px;display:flex}.help 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