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0;padding:0;list-style:none;display:grid}.qgrid--sheet{max-height:50vh;overflow-y:auto}.qgrid--side{grid-template-columns:repeat(6,1fr);margin:0}.qgrid__cell{aspect-ratio:1;border:1.5px solid var(--line);background:var(--surface);width:100%;color:var(--ink);font:inherit;cursor:pointer;border-radius:8px;font-size:.78rem;font-weight:700;transition:transform .12s,border-color .12s}.qgrid__cell:hover{border-color:var(--purple);transform:scale(1.1)}.qgrid__cell.is-answered{border-color:var(--purple);background:var(--purple);color:#fff}.qgrid__cell.is-flagged{box-shadow:inset 0 0 0 3px var(--gold)}.qgrid__cell[aria-current=true]{outline:3px solid var(--ink);outline-offset:1px}.runner__grid-btn{display:none}@media (width>=1001px) and (height<=900px){.runner__side{gap:10px}.side-card{padding:16px}.runner__timer--big{font-size:2.2rem}.qgrid--side{grid-template-columns:repeat(8,1fr);gap:4px}.qgrid--side .qgrid__cell{border-radius:6px;font-size:.72rem}}@media (prefers-reduced-motion:reduce){dialog.runner[open],dialog.sheet[open],.progress-card,.exam-hero__card,.runner__bg .orb{animation:none}}@media (width<=1000px){.runner__layout{grid-template-columns:minmax(0,1fr)}.runner__side{flex-wrap:wrap;grid-row:1;align-items:center;gap:8px;display:flex;position:static}.side-card{background:0 0;border:0;padding:0}.side-card--score{display:block}.side-card--score .ring,.side-keys,.side-card--grid,.side-card__label,[data-runner-submit]{display:none}.side-stats{gap:6px;display:flex}.side-stats li{padding:6px 10px}.side-card--clock{align-items:baseline;gap:10px;display:flex}.runner__timer--big{font-size:1.5rem}.side-card__sub{margin:0}.side-btn{margin-left:auto;padding:8px 12px}.runner__grid-btn{display:inline-flex}}@media (width<=900px){.app-hero__grid{grid-template-columns:1fr}.progress-card,.exam-hero__card{margin:10px auto 0;animation:none;transform:none}.mode-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.app-hero{padding:34px 0 50px}.cta-big{width:100%}.mode-grid{grid-template-columns:1fr}.mode-card{min-height:0}.mode-card .feature-icon{margin-bottom:18px}.runner__top{grid-template-columns:1fr auto;gap:10px 12px;padding:10px 14px}.runner__steps{grid-area:2/1/auto/-1}.runner__close-label{display:none}.runner__close{padding:9px 12px}.runner__stage{padding:4px 10px 0}.qpanel{box-shadow:8px 10px 0 var(--violet-shadow);border-radius:22px}.qpanel__body{padding:20px 16px 6px}.qpanel__foot{min-height:0;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface);flex-direction:column;align-items:stretch;position:sticky;bottom:0}.qpanel__feedback{flex:none}.runner__actions{margin-left:0}.runner__actions .runner__btn{white-space:nowrap;flex:auto}.runner[data-kind=exam][data-view=session] .runner__actions{flex-wrap:nowrap}.runner[data-kind=exam][data-view=session] :is([data-runner-prev],.runner__grid-btn){flex:none;padding-inline:18px}.runner[data-kind=exam] .runner__btn-label{display:none}.results__stats{grid-template-columns:repeat(3,1fr)}.exam-facts dd{font-size:1.6rem}.qgrid--sheet{grid-template-columns:repeat(6,1fr)}.exam-history__item{grid-template-columns:1fr auto}.exam-history__meta{grid-column:1/-1}.legend{grid-template-columns:1fr 1fr}}.page-hero--app{background:radial-gradient(circle at 80% 20%, #ece6ff 0, #ece6ff66 22%, transparent 48%), linear-gradient(160deg, var(--page) 0%, #f7f5ff 100%);padding:46px 0 34px}:root[data-theme=dark] .page-hero--app{background:radial-gradient(circle at 80% 20%, #2a2152 0, transparent 50%), var(--page)}.page-hero--app h1{margin-bottom:12px;font-size:clamp(2.2rem,4.6vw,3.6rem)}.study-card{border:1px solid var(--line);background:var(--surface);box-shadow:10px 12px 0 var(--violet-shadow);color:var(--ink);border-radius:24px;padding:24px}.progress-page{gap:16px;padding:28px 0 70px;display:grid}.progress-page h2{margin-bottom:0;font-size:1.35rem}.progress-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;margin-bottom:14px;display:flex}.progress-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:18px 40px;display:flex}.progress-hero__text{flex:520px}.progress-hero__text .page-lede{margin-bottom:0}.progress-hero__reset{justify-items:end;gap:8px;display:grid}.progress-hero__done{color:var(--app-correct-text);margin:0;font-size:.9rem;font-weight:700}.progress-hero__done:empty{display:none}.reset-btn{border:1.5px solid color-mix(in srgb, var(--app-wrong) 55%, transparent);background:var(--app-surface);color:var(--app-wrong-text);font:inherit;cursor:pointer;border-radius:12px;align-items:center;gap:8px;padding:9px 15px;font-size:.9rem;font-weight:700;display:inline-flex}.reset-btn:hover{border-color:var(--app-wrong);background:var(--app-wrong-soft)}.reset-btn:focus-visible{outline:3px solid color-mix(in srgb, var(--app-wrong) 45%, transparent);outline-offset:2px}.reset-btn svg{fill:none;stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round;flex:none}.overview{--km-pending:color-mix(in srgb, var(--app-accent) 55%, var(--app-surface))}.overview__head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 28px;margin-bottom:22px;display:flex}.km-legend{color:var(--app-text2);flex-wrap:wrap;gap:8px 22px;margin:0;padding:0;font-size:.88rem;list-style:none;display:flex}.km-legend li{align-items:center;gap:8px;display:flex}.km-legend b{color:var(--app-text);font-variant-numeric:tabular-nums}.km-key{background:var(--app-surface2);width:12px;height:12px;box-shadow:inset 0 0 0 1px var(--app-border);border-radius:3px;flex:none}.km-key[data-state=mastered]{background:var(--app-correct);box-shadow:none}.km-key[data-state=pending]{background:var(--km-pending);box-shadow:none}.km-key[data-state=wrong]{background:var(--app-wrong);box-shadow:none}.overview__body{grid-template-columns:minmax(200px,240px) minmax(0,1fr);align-items:start;gap:24px 40px;display:grid}.overview__pct{color:var(--app-text2);margin:0;font-weight:700}.overview__pct b{color:var(--app-text);letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-bottom:4px;font-size:clamp(2.6rem,5vw,3.3rem);line-height:1;display:block}.overview__sub{color:var(--app-text2);margin:2px 0 16px;font-size:.9rem}.share-bar{background:var(--app-surface2);border-radius:999px;height:10px;display:flex;overflow:hidden}.share-bar span{height:100%;display:block}.share-bar [data-share=mastered]{background:var(--app-correct)}.share-bar [data-share=pending]{background:var(--km-pending)}.share-bar [data-share=wrong]{background:var(--app-wrong)}.overview__go{margin-top:22px}.overview__hint{color:var(--app-text2);margin:12px 0 0 38px;font-size:.82rem}.knowledge-map{--km-gap:3px;max-width:calc(38px + 50 * 14px + 49 * var(--km-gap));gap:5px;display:grid}.km-row{grid-template-columns:30px minmax(0,1fr);gap:8px;display:grid}.km-row__label{color:var(--app-text2);text-align:right;font-variant-numeric:tabular-nums;font-size:.66rem;font-weight:700;line-height:1.1}.km-row__cells{gap:var(--km-gap);grid-template-columns:repeat(50,minmax(0,1fr));display:grid}.km-cell{aspect-ratio:1;background:var(--app-surface2);border-radius:2px}.km-cell[data-state=mastered]{background:var(--app-correct)}.km-cell[data-state=wrong]{background:var(--app-wrong)}.km-cell[data-state=pending]{background:var(--km-pending)}.km-cell:hover,.km-cell:focus-visible{z-index:1;outline:2px solid var(--app-text);outline-offset:1px;position:relative}.stat-strip{padding:18px 8px}.stat-strip dl{grid-template-columns:repeat(4,1fr);margin:0;display:grid}.stat-strip dl>div{border-left:1px solid var(--line);padding:2px 20px}.stat-strip dl>div:first-child{border-left:0}.stat-strip dt{color:var(--app-text2);font-size:.82rem}.stat-strip dd{letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:4px 0 0;font-size:1.6rem;font-weight:800}.progress-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.segmented{background:var(--app-surface2);border-radius:12px;flex-wrap:wrap;gap:4px;padding:4px;display:inline-flex}.segmented button{color:var(--app-text2);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:9px;padding:7px 12px;font-size:.85rem;font-weight:700}.segmented button[aria-pressed=true]{background:var(--app-surface);color:var(--app-text);box-shadow:0 1px 4px #140a3c26}.activity{flex-direction:column;display:flex}.bars{flex:1 0 150px;grid-auto-columns:1fr;grid-auto-flow:column;align-items:end;gap:4px;min-height:150px;max-height:260px;margin-bottom:18px;display:grid}.bars__col{text-align:center;grid-template-rows:auto 1fr auto;min-width:0;height:100%;display:grid}.bars__value{min-height:1.2em;color:var(--app-text2);font-size:.7rem;font-weight:700}.bars__track{align-items:flex-end;height:100%;display:flex}.bars__bar{background:var(--app-accent-soft);border-radius:4px 4px 0 0;width:100%;min-height:2px;display:block}.bars__col.is-today .bars__bar{background:var(--app-accent)}.bars__label{color:var(--app-text2);white-space:nowrap;font-size:.62rem;overflow:hidden}.stat-grid{border-top:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:14px;margin:0;padding-top:16px;display:grid}.stat-grid>div{flex-direction:column;justify-content:space-between;gap:2px;display:flex}.stat-grid dt{color:var(--app-text2);font-size:.8rem}.stat-grid dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.3rem;font-weight:800}.history-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.history-row{background:var(--app-surface2);border-radius:12px;grid-template-columns:1fr auto auto;align-items:center;gap:14px;padding:10px 14px;display:grid}.history-row__mode{font-weight:700}.history-row__pass{color:var(--app-correct-text)}.history-row__fail{color:var(--app-wrong-text)}.history-row__meta{color:var(--app-text2);font-size:.85rem}.history-row__score{font-variant-numeric:tabular-nums;font-weight:800}.history-more{border:1px solid var(--app-border);color:var(--app-accent-text);font:inherit;cursor:pointer;background:0 0;border-radius:10px;margin-top:12px;padding:8px 14px;font-size:.88rem;font-weight:700}.history-more:hover{background:var(--app-surface2)}.progress-empty{color:var(--app-text2);margin:0}@media (width<=1080px){.overview__body{grid-template-columns:1fr}.overview__summary{max-width:420px}.progress-grid{grid-template-columns:1fr}}@media (width<=640px){.progress-hero__reset{justify-items:start}.overview{flex-direction:column;gap:18px;display:flex}.overview__head,.overview__body{display:contents}.overview__summary{order:1;max-width:none}.km-legend{border-top:1px solid var(--line);order:2;grid-template-columns:1fr 1fr;gap:8px 18px;padding-top:16px;display:grid}.km-legend b{margin-left:auto}.overview__map{order:3}.overview__go{margin-top:16px}.overview__hint{margin-left:0}.knowledge-map{--km-gap:2px;gap:4px}.km-row{grid-template-columns:26px minmax(0,1fr);gap:6px}.km-row__cells{grid-template-columns:repeat(25,minmax(0,1fr))}.stat-strip{padding:4px 18px}.stat-strip dl{grid-template-columns:1fr 1fr}.stat-strip dl>div{border-left:0;padding:14px 0}.stat-strip dl>div:nth-child(2n){border-left:1px solid var(--line);padding-left:16px}.stat-strip dl>div:nth-child(n+3){border-top:1px solid var(--line)}.stat-strip dd{font-size:1.4rem}.history-row{grid-template-columns:1fr auto}.history-row__meta{grid-area:2/1/auto/-1}}.settings{gap:16px;padding:28px 0 70px;display:grid}.settings-group h2{margin-bottom:14px;font-size:1.3rem}.setting{border:0;margin:0 0 18px;padding:0}.setting legend,.setting__title{margin-bottom:8px;font-weight:700;display:block}.setting__hint{color:var(--app-text2);margin:6px 0 0;font-size:.86rem;display:block}.setting--switch{justify-content:space-between;align-items:center;gap:20px;display:flex}.setting--switch label{cursor:pointer}.setting--switch .setting__title{margin-bottom:0}.setting--switch input{background:var(--app-surface2);width:46px;height:26px;box-shadow:inset 0 0 0 1.5px var(--app-border);appearance:none;cursor:pointer;border-radius:999px;flex:none;margin:0;transition:background-color .15s;position:relative}.setting--switch input:after{content:"";background:var(--app-surface);border-radius:50%;width:20px;height:20px;transition:transform .15s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.setting--switch input:checked{background:var(--app-accent);box-shadow:none}.setting--switch input:checked:after{transform:translate(20px)}.settings__saved{min-height:1.4em;color:var(--app-correct-text);margin:0;font-weight:700}.settings-app{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;display:flex}.settings__reset{margin-top:14px}.bars[data-days="30"] .bars__value{visibility:hidden}.cta-big__svg--line{fill:none}