.mega-difficulty{margin-left:auto;min-width:210px;max-width:260px;font:inherit;color:inherit}.mega-difficulty>label{display:flex;justify-content:space-between;font-size:12px;gap:20px}.mega-difficulty input{width:100%;accent-color:var(--green,#0d7c66);height:16px;margin:8px 0}.mega-difficulty>div{display:flex;justify-content:space-between;gap:16px}.mega-difficulty .text-link{font-size:11px}.mega-difficulty [aria-pressed=true]{font-weight:700;color:var(--green,#0d7c66)}@media(max-width:680px){.mega-difficulty{width:100%;max-width:none;margin-left:0}}
.set-table{max-width:100%;overflow-x:auto;margin:18px 0}.set-table table{width:100%;border-collapse:collapse;font:inherit;font-size:13px}.set-table caption{text-align:left;font-weight:600;margin-bottom:10px}.set-table th,.set-table td{border:1px solid var(--line,#e2e7e4);padding:9px 12px;text-align:left;white-space:normal}.set-table th{font-weight:600;background:var(--surface,#f6f8f7)}
.solution-media{margin:18px 0;max-width:100%;min-width:0;overflow-x:auto}.solution-media>a{display:block;max-width:100%}.solution-media img{display:block;width:100%;max-width:100%;height:auto}.solution-media figcaption,.solution-media-status{font-size:12px;color:var(--muted,#626864);line-height:1.5}.solution-media figcaption{margin-top:8px}.review-main,.solution-body,.explanation{min-width:0}

.attempt-media{margin:16px 0;max-width:100%;min-width:0;overflow-x:auto}.attempt-media>a{display:block;max-width:100%}.attempt-media img{display:block;max-width:100%;height:auto}.attempt-media p{font-size:12px;color:var(--muted,#626864)}.answer-option>div{min-width:0}.answer-option .attempt-media{margin:8px 0}

.attempt-media-inline{display:inline-flex;vertical-align:middle;margin:0 .18em;max-width:8em}.attempt-media-inline>a{display:inline-block}.attempt-media-inline img{display:inline-block;width:auto;max-height:3em}.solution-option-content{flex:1;min-width:0;margin:0}.solution-option-content .attempt-media:not(.attempt-media-inline){margin:8px 0}.attempt-media>span[role=status]{font-size:12px;color:var(--muted,#626864)}

/* Reference-inspired filled pill and white thumb; practice keeps three difficulty stops. */
.mega-difficulty>.mega-range{display:block;position:relative;height:36px;margin:8px 0;isolation:isolate}.mega-range::before{content:"";position:absolute;inset:6px 3px;border-radius:999px;background:#d9dce1;box-shadow:inset 0 0 0 1px #00000008}.mega-range-fill{position:absolute;left:3px;top:6px;height:24px;width:calc(15px + var(--position) * (100% - 30px) / var(--steps, 2));border-radius:999px;background:#0d8266;transition:width .18s cubic-bezier(.2,.8,.2,1),background .18s}.mega-difficulty[data-level="2"] .mega-range-fill{background:#075b47;box-shadow:none}.mega-difficulty[data-level="2"] .mega-range-fill::after{content:none}.mega-range-ticks{position:absolute;inset:6px 15px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.mega-range-ticks i{height:4px;width:4px;border-radius:50%;background:#ffffff90}.mega-range-thumb{position:absolute;z-index:1;top:3px;left:calc(3px + var(--position) * (100% - 36px) / var(--steps, 2));width:30px;height:30px;border-radius:50%;background:#fff;border:1px solid #0000000d;box-shadow:0 1px 4px #00000025;pointer-events:none;transition:left .18s cubic-bezier(.2,.8,.2,1)}.mega-difficulty .mega-range input{position:relative;z-index:2;display:block;appearance:none;-webkit-appearance:none;background:transparent;height:36px;margin:0;cursor:pointer;touch-action:pan-y}.mega-range input::-webkit-slider-runnable-track{background:transparent;height:24px}.mega-range input::-moz-range-track{background:transparent;height:24px}.mega-range input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:30px;height:30px;background:transparent;margin-top:-3px}.mega-range input::-moz-range-thumb{width:30px;height:30px;background:transparent;border:0}.mega-range:has(input:focus-visible){outline:2px solid var(--green,#0d7c66);outline-offset:3px;border-radius:999px}.mega-range input:focus-visible{outline:none}.mega-difficulty #practice-difficulty-value{color:#146a52}.mega-difficulty[data-level="2"] #practice-difficulty-value{color:#075b47}.mega-difficulty[data-level="2"] [aria-pressed=true]{color:#075b47}@media(prefers-reduced-motion:reduce){.mega-range-fill,.mega-range-thumb{transition:none}.mega-range-fill::after{animation:none!important}}

.mega-difficulty>label{font-size:13px;color:#53655a}.mega-difficulty .text-link{font-size:12px;min-height:32px}.mega-range::before{background:#e1eae5}.mega-range-fill,.mega-range-thumb{transition:none}.mega-difficulty .mega-easy-choice{color:#526a5b}