@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-cyrillic-wght-normal-Dvxsihut.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-greek-wght-normal-DL7QRZyv.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-vietnamese-wght-normal-usUDDRr7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-ext-wght-normal-Ch3YOpNY.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-wght-normal-DHIcAJRg.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/assets/unbounded-cyrillic-wght-normal-C627f1f8.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/assets/unbounded-vietnamese-wght-normal-rat7GD3o.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/assets/unbounded-latin-ext-wght-normal-D6H-S6MW.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/assets/unbounded-latin-wght-normal-D5afBTBx.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-mono-cyrillic-400-normal-BSMlKf0J.woff2)format("woff2"),url(/assets/ibm-plex-mono-cyrillic-400-normal-CEL4l2ZJ.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-cyrillic-600-normal-CTOM6hUh.woff2)format("woff2"),url(/assets/ibm-plex-mono-cyrillic-600-normal-fLZuRloM.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-mono-latin-400-normal-DMJ8VG8y.woff2)format("woff2"),url(/assets/ibm-plex-mono-latin-400-normal-CvHOgSBP.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-latin-600-normal-BgSNZQsw.woff2)format("woff2"),url(/assets/ibm-plex-mono-latin-600-normal-DWFSQ4vo.woff)format("woff")}.answer-ribbon{inline-size:100%;min-inline-size:0}.answer-ribbon__list{gap:var(--space-2);grid-template-columns:repeat(var(--answer-ribbon-count), minmax(0, 1fr));min-inline-size:0;margin:0;padding:0;list-style:none;display:grid}.answer-ribbon__cell{align-content:start;justify-items:start;gap:var(--space-1);min-block-size:78px;min-inline-size:0;padding:var(--space-2);border:1px solid var(--rule-interactive);background:var(--surface);color:var(--ink-muted);border-block-start-width:3px;border-radius:8px;display:grid}.answer-ribbon__cell[aria-current=step]{border-color:var(--action);background:var(--action-tint);color:var(--ink);transition:transform .2s var(--ease-out), border-color .2s var(--ease-out), background-color .2s var(--ease-out);transform:translateY(-2px)}.answer-ribbon__cell[data-state=correct]{border-block-start-color:var(--success)}.answer-ribbon__cell[data-state=corrected],.answer-ribbon__cell[data-state=correction-wrong],.answer-ribbon__cell[data-state=correction-unverified],.answer-ribbon__cell[data-state=reviewed-wrong]{border-block-start-color:var(--correction)}.answer-ribbon__cell[data-state=self-checked]{border-block-start-color:var(--subject-literature)}.answer-ribbon__number,.answer-ribbon__state{max-inline-size:100%;font-family:var(--font-utility);overflow-wrap:anywhere}.feedback-panel{gap:var(--space-6);min-inline-size:0;padding:clamp(var(--space-4), 4vw, var(--space-6));border:1px solid var(--rule-interactive);border-inline-start:4px solid var(--correction);border-radius:var(--radius-card);background:var(--surface);animation:feedback-panel-enter .2s var(--ease-out) both;display:grid}.feedback-panel--success{border-inline-start-color:var(--success)}.feedback-panel--self-check{border-inline-start-color:var(--subject-literature)}.feedback-panel__heading{align-items:flex-start;gap:var(--space-3);min-inline-size:0;display:flex}.feedback-panel__status-icon{block-size:40px;inline-size:40px;color:var(--correction);border:1px solid;border-radius:8px;flex:0 0 40px;place-items:center;display:grid}.feedback-panel--success .feedback-panel__status-icon{color:var(--success)}.feedback-panel--self-check .feedback-panel__status-icon{color:var(--subject-literature)}.feedback-panel__eyebrow,.feedback-rule-card__eyebrow{margin:0 0 var(--space-1);color:var(--ink-muted);font-family:var(--font-utility);letter-spacing:.06em;text-transform:uppercase;font-size:.6875rem;font-weight:600;line-height:1.4}.feedback-panel__heading h2{font-family:var(--font-body);margin:0;font-size:clamp(1.35rem,5vw,1.75rem);font-weight:650;line-height:1.2}.feedback-panel [data-feedback-heading]:focus{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 2px var(--focus-separation)}.feedback-panel__explanation,.feedback-panel__correction-note{overflow-wrap:anywhere;margin:0;line-height:1.65}.feedback-panel__correction-note{padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--correction);background:var(--paper);font-weight:650}.feedback-panel__canonical,.feedback-panel__coverage,.feedback-panel__outline{min-inline-size:0;border-block-start:1px dashed var(--rule-interactive);padding-block-start:var(--space-4)}.feedback-panel__canonical h3,.feedback-panel__coverage h3,.feedback-panel__outline h3,.feedback-rule-card h3{font-family:var(--font-body);margin-block-end:var(--space-3);font-size:1.0625rem;font-weight:700;line-height:1.4}.feedback-panel__canonical p,.feedback-panel__canonical ul,.feedback-panel__canonical ol,.feedback-panel__canonical dl,.feedback-panel__coverage ul,.feedback-panel__outline p,.feedback-panel__outline ol{margin-block-end:0}.feedback-panel__canonical ul,.feedback-panel__canonical ol,.feedback-panel__outline ol{gap:var(--space-2);padding-inline-start:1.5rem;display:grid}.feedback-panel__canonical li,.feedback-panel__outline li{overflow-wrap:anywhere;padding-inline-start:var(--space-1);line-height:1.6}.feedback-panel__canonical-code{inline-size:fit-content;max-inline-size:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--ink);background:var(--paper);color:var(--ink);font-family:var(--font-utility);letter-spacing:.08em;overflow-wrap:anywhere;border-radius:8px;font-size:clamp(1.15rem,5vw,1.5rem);font-weight:600;display:block}.feedback-panel__canonical--matching dl{border-block-start:1px solid var(--rule-interactive)}.feedback-panel__canonical--matching dl>div{gap:var(--space-2);padding-block:var(--space-3);border-block-end:1px dashed var(--rule-interactive);display:grid}.feedback-panel__canonical--matching dt{font-weight:700;line-height:1.55}.feedback-panel__canonical--matching dd{overflow-wrap:anywhere;margin:0;line-height:1.55}.feedback-rule-card{min-inline-size:0;padding:var(--space-4);border:1px solid var(--rule-interactive);border-block-start:3px solid var(--action);background:var(--paper)}.feedback-rule-card p:last-child{margin-block-end:0}.feedback-rule-card__cue{border-block-start:1px dashed var(--rule-interactive);padding-block-start:var(--space-3)}.feedback-panel__coverage ul{gap:var(--space-2);padding:0;list-style:none;display:grid}.feedback-panel__coverage li{align-items:start;gap:var(--space-2);grid-template-columns:20px minmax(0,1fr);min-inline-size:0;line-height:1.55;display:grid}.feedback-panel__criterion--marked svg{color:var(--success)}.feedback-panel__criterion--missing svg,.feedback-panel__outline>p{color:var(--ink-muted)}.feedback-panel__actions{gap:var(--space-3);min-inline-size:0;flex-wrap:wrap;padding-block-start:var(--space-2);display:flex}.feedback-panel__action{min-inline-size:var(--target-min);justify-content:center;align-items:center;gap:var(--space-2);min-block-size:48px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-control);text-align:center;font-weight:700;line-height:1.35;display:inline-flex}.feedback-panel__action--primary{border:1px solid var(--action);background:var(--action);color:var(--surface)}.feedback-panel__action--secondary{border:1px solid var(--rule-interactive);background:var(--surface);color:var(--ink)}.practice-page,.practice-page__activity,.practice-page__progress-context,.practice-submit-area,.practice-summary,.practice-empty,.practice-recovery{min-inline-size:0}.practice-page{--practice-session-subject:var(--action);gap:var(--space-8);display:grid}.practice-page__heading{border-block-end:1px solid var(--ink);padding-block-end:var(--space-6);position:relative}.practice-page__heading:after{background:var(--practice-session-subject,var(--action));content:"";block-size:3px;inline-size:88px;position:absolute;inset-block-end:-2px;inset-inline-start:0}.practice-page__meta{gap:var(--space-2);flex-wrap:wrap;margin-block-end:var(--space-6);display:flex}.practice-page__meta span{min-block-size:28px;padding:var(--space-1) var(--space-2);border:1px solid var(--rule-interactive);background:var(--surface);font-family:var(--font-utility);letter-spacing:.025em;border-radius:6px;align-items:center;font-size:.6875rem;font-weight:600;line-height:1.4;display:inline-flex}.practice-page__meta span:last-child{color:var(--ink-muted);border-style:dashed}.practice-page__heading .page-kicker,.practice-page__heading h1{margin-block-end:var(--space-2)}.practice-page__subject{color:var(--ink-muted);margin:0;font-size:1.125rem;font-weight:650}.practice-page__progress-context{gap:var(--space-3);display:grid}.practice-page__progress-context>p{color:var(--ink-muted);font-family:var(--font-utility);margin:0;font-size:.8125rem;font-weight:600;line-height:1.4}.practice-page__activity{gap:var(--space-6);display:grid}.practice-correction-mode,.practice-storage-notice,.practice-loading,.practice-readiness,.practice-action-error{padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--rule-interactive);background:var(--surface);margin:0;line-height:1.55}.practice-correction-mode{align-items:flex-start;gap:var(--space-2);border-inline-start-color:var(--correction);font-weight:650;display:flex}.practice-correction-mode:focus{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 2px var(--focus-separation)}.practice-storage-notice,.practice-action-error{border-inline-start-color:var(--correction);color:var(--correction);font-weight:650}.practice-loading{border-inline-start-color:var(--action)}.practice-submit-area{gap:var(--space-3);scroll-margin-block-end:calc(88px + var(--space-6) + env(safe-area-inset-bottom));display:grid}.practice-readiness{border-inline-start-color:var(--action);color:var(--ink-muted)}.practice-submit-area__actions{gap:var(--space-3);flex-wrap:wrap;min-inline-size:0;display:flex}.practice-primary-action,.practice-secondary-action,.practice-empty__links a,.practice-recovery__links a,.practice-summary__links a{min-inline-size:var(--target-min);justify-content:center;align-items:center;gap:var(--space-2);min-block-size:48px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-control);text-align:center;font-weight:700;line-height:1.35;text-decoration:none;display:inline-flex}.practice-primary-action{border:1px solid var(--action);background:var(--action);inline-size:100%;color:var(--surface)}.practice-primary-action:disabled{border-color:var(--rule-interactive);background:var(--rule);color:var(--ink-muted);cursor:not-allowed}.practice-secondary-action,.practice-empty__links a,.practice-recovery__links a,.practice-summary__links a{border:1px solid var(--rule-interactive);background:var(--surface);color:var(--ink)}.practice-empty,.practice-recovery,.practice-summary{align-items:start;gap:var(--space-4);padding:clamp(var(--space-4), 5vw, var(--space-8));border:1px solid var(--rule-interactive);border-inline-start:4px solid var(--practice-session-subject,var(--action));border-radius:var(--radius-surface);background:var(--surface);display:grid}.practice-empty>svg,.practice-summary--completed>svg{color:var(--success)}.practice-summary--memory>svg,.practice-recovery>svg{color:var(--correction)}.practice-empty h2,.practice-recovery h2,.practice-summary h2{font-family:var(--font-body);margin-block-end:var(--space-3);font-size:clamp(1.35rem,5vw,1.8rem);font-weight:650;line-height:1.25}.practice-empty p,.practice-recovery p,.practice-summary p{line-height:1.65}.practice-empty p:last-of-type,.practice-recovery p:last-of-type{margin-block-end:0}.practice-empty__links,.practice-recovery__links,.practice-summary__links{gap:var(--space-2);flex-wrap:wrap;margin-block-start:var(--space-4);display:flex}.practice-recovery__kicker,.practice-summary__kicker{color:var(--correction);font-family:var(--font-utility);letter-spacing:.07em;text-transform:uppercase;margin-block-end:var(--space-2);font-size:.6875rem;font-weight:600;line-height:1.4}.practice-recovery code{max-inline-size:100%;padding:var(--space-2);border:1px solid var(--rule);background:var(--paper);overflow-wrap:anywhere;margin-block-start:var(--space-3);display:inline-block}.practice-summary{border-inline-start-color:var(--success)}.practice-summary__kicker{color:var(--success)}.practice-summary__metrics{gap:var(--space-5);margin-block:var(--space-6);display:grid}.practice-summary__metric-group h3{margin-block-end:var(--space-2);font-size:1.125rem}.practice-summary__metric-group>p{margin-block:var(--space-2) 0}.practice-summary__ledger{border-block:1px solid var(--ink);margin:0;display:grid}.practice-summary__ledger>div{align-items:center;gap:var(--space-2);padding-block:var(--space-3);border-block-end:1px dashed var(--rule-interactive);grid-template-columns:minmax(0,1fr) auto;display:grid}.practice-summary__ledger>div:last-child{border-block-end:0}.practice-summary__ledger dt{line-height:1.5}.practice-summary__ledger dd{font-family:var(--font-display);margin:0;font-size:1.25rem;font-weight:620}.practice-summary__next-review{padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--action);background:var(--paper);margin-block-end:var(--space-6);font-weight:650}@keyframes feedback-panel-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.answer-ribbon__number{letter-spacing:.04em;font-size:.6875rem;font-weight:600;line-height:1.2}.answer-ribbon__icon{color:currentColor}.answer-ribbon__state{font-size:clamp(.7rem,2.7vw,.75rem);font-weight:600;line-height:1.25}.question-renderer{--practice-accent:var(--action);gap:var(--space-6);inline-size:100%;min-inline-size:0;padding:clamp(var(--space-4), 4vw, var(--space-8));border:1px solid var(--rule-interactive);border-block-start:4px solid var(--practice-accent);border-radius:var(--radius-surface);background:var(--surface);display:grid}.question-renderer--russian{--practice-accent:var(--subject-russian)}.question-renderer--english{--practice-accent:var(--subject-english)}.question-renderer--literature{--practice-accent:var(--subject-literature)}.question-renderer__format{max-inline-size:none;border-block-end:1px dashed var(--rule-interactive);color:var(--ink-muted);font-family:var(--font-utility);letter-spacing:.025em;overflow-wrap:anywhere;margin:0;padding-block-end:var(--space-3);font-size:.75rem;font-weight:600;line-height:1.55}.question-renderer__content,.response-fieldset,.choice-list,.text-response,.sequence-list,.sequence-item,.matching-list,.matching-row,.self-check-response,.self-check-checklist,.response-summary{min-inline-size:0}.question-renderer__content h2{max-inline-size:34ch;font-family:var(--font-body);letter-spacing:-.025em;margin-block-end:var(--space-4);font-size:clamp(1.35rem,5vw,1.8rem);font-weight:650;line-height:1.25}.question-renderer__stimulus,.question-renderer__prompt{overflow-wrap:anywhere;white-space:pre-line;max-inline-size:68ch}.question-renderer__stimulus{padding:var(--space-4);border-inline-start:3px solid var(--practice-accent);background:var(--paper);margin-block-end:var(--space-6);font-size:1.125rem;line-height:1.75}.question-renderer__prompt{margin:0;font-size:1.125rem;font-weight:600;line-height:1.65}.question-renderer__lock-state{max-inline-size:54ch;margin:calc(var(--space-2) * -1) 0 0;padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--rule-interactive);background:var(--paper);color:var(--ink-muted);font-weight:650;line-height:1.5}.response-fieldset{border:0;margin:0;padding:0}.response-fieldset>legend,.response-label{color:var(--ink);font-weight:700;line-height:1.5}.response-fieldset>legend{margin-block-end:var(--space-3);padding:0}.response-label{margin-block-end:var(--space-2);display:block}.choice-list{border-block-start:1px solid var(--rule-interactive);margin:0;display:grid}.choice-control{align-items:center;gap:var(--space-3);min-block-size:52px;min-inline-size:0;padding:var(--space-3);border-inline:1px solid var(--rule-interactive);border-block-end:1px solid var(--rule-interactive);background:var(--surface);cursor:pointer;grid-template-columns:24px minmax(0,1fr);line-height:1.55;display:grid}.choice-control>span{overflow-wrap:anywhere;min-inline-size:0}.choice-control:has(input:checked){border-inline-start:4px solid var(--practice-accent);background:color-mix(in srgb, var(--action-tint) 72%, var(--surface))}.choice-control input{block-size:22px;inline-size:22px;accent-color:var(--action);margin:0}.text-response__input,.matching-row select,.self-check-response__draft{border:1px solid var(--rule-interactive);border-radius:var(--radius-control);background:var(--surface);inline-size:100%;max-inline-size:100%}.text-response__input,.matching-row select{min-block-size:48px;padding:var(--space-3)}.text-response__input{font-family:var(--font-utility);letter-spacing:.025em;font-size:1.0625rem}.response-hint,.matching-response__progress{margin:var(--space-2) 0 0;color:var(--ink-muted);font-size:1rem;line-height:1.6}.response-summary{border-block-start:1px solid var(--ink);padding-block-start:var(--space-4)}.response-summary h3,.response-summary h4,.response-summary p,.response-summary ul,.response-summary ol,.response-summary dl{margin-block-start:0}.response-summary h3{font-family:var(--font-body);margin-block-end:var(--space-3);font-size:1.125rem;line-height:1.45}.response-summary h4{margin-block-end:var(--space-2);font-size:1rem;line-height:1.5}.response-summary p{overflow-wrap:anywhere;margin-block-end:0;line-height:1.6}.response-summary ul,.response-summary ol{gap:var(--space-2);margin-block-end:0;padding-inline-start:1.5rem;display:grid}.response-summary li{overflow-wrap:anywhere;padding-inline-start:var(--space-1);line-height:1.6}.matching-summary dl{border-block-start:1px solid var(--rule-interactive);margin-block-end:0}.matching-summary dl>div{gap:var(--space-2);padding-block:var(--space-3);border-block-end:1px dashed var(--rule-interactive);display:grid}.matching-summary dt{font-weight:700;line-height:1.55}.matching-summary dd{overflow-wrap:anywhere;margin:0;line-height:1.55}.self-check-summary{gap:var(--space-3);display:grid}.self-check-summary :is(h3,h4,p,ul){margin-block-end:0}.self-check-summary__draft{padding:var(--space-4);border-inline-start:3px solid var(--practice-accent);background:var(--paper);white-space:pre-wrap}.sequence-list{border-block-start:1px solid var(--ink);gap:0;margin:0;padding:0;list-style:none;display:grid}.sequence-item{align-items:start;gap:var(--space-2) var(--space-3);padding-block:var(--space-4);border-block-end:1px dashed var(--rule-interactive);grid-template-columns:36px minmax(0,1fr);grid-template-areas:"position label"".actions";display:grid}.sequence-item__position{border:1px solid var(--practice-accent);block-size:36px;inline-size:36px;color:var(--ink);font-family:var(--font-utility);border-radius:7px;grid-area:position;place-items:center;font-size:.8125rem;font-weight:600;display:grid}.sequence-item__label{overflow-wrap:anywhere;grid-area:label;min-inline-size:0;padding-block:5px;line-height:1.6}.sequence-item__actions{gap:var(--space-2);flex-wrap:wrap;grid-area:actions;min-inline-size:0;display:flex}.sequence-move,.self-check-confirmation button{min-inline-size:var(--target-min);min-block-size:var(--target-min);justify-content:center;align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);border:1px solid var(--rule-interactive);border-radius:var(--radius-control);background:var(--surface);color:var(--ink);font-weight:700;line-height:1.4;display:inline-flex}.matching-list{border-block-start:1px solid var(--ink)}.matching-row{padding-block:var(--space-4);border-block-end:1px dashed var(--rule-interactive)}.matching-row .response-label{overflow-wrap:anywhere;max-inline-size:68ch}.matching-row select{text-overflow:ellipsis;display:block}.self-check-response{justify-items:stretch;gap:var(--space-3);display:grid}.self-check-response .response-label{margin:0}.self-check-response__draft{min-block-size:176px;padding:var(--space-4);resize:vertical;line-height:1.65}.self-check-response__open{min-inline-size:var(--target-min);min-block-size:48px;padding:var(--space-3) var(--space-4);border:1px solid var(--action);border-radius:var(--radius-control);background:var(--action);color:var(--surface);justify-content:center;justify-self:start;align-items:center;font-weight:700;line-height:1.4;display:inline-flex}.self-check-confirmation{gap:var(--space-3);padding:var(--space-4);border:1px solid var(--rule-interactive);border-inline-start:4px solid var(--practice-accent);background:var(--paper);display:grid}.self-check-confirmation p{margin:0;font-weight:650;line-height:1.55}.self-check-confirmation__actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.self-check-checklist{border-block-start:1px dashed var(--rule-interactive);margin-block-start:var(--space-3);padding-block-start:var(--space-4)}.self-check-checklist__notice{margin:0 0 var(--space-4);padding:var(--space-3);border-inline-start:3px solid var(--subject-literature);background:var(--subject-literature-tint);font-weight:650;line-height:1.55}.question-renderer :where(input,select,textarea,button):focus-visible,.self-check-checklist:focus{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 2px var(--focus-separation)}.question-renderer :where(input,select,textarea,button):disabled,.question-renderer fieldset:disabled .choice-control{cursor:not-allowed}.question-renderer :where(input,select,textarea):disabled,.question-renderer :where(input,select,textarea)[readonly]{border-color:var(--rule-interactive);background:var(--paper);color:var(--ink-muted)}.question-renderer fieldset:disabled .choice-control{background:var(--paper);color:var(--ink-muted)}.question-renderer button:disabled{border-color:var(--rule);background:var(--paper);color:var(--ink-muted)}.practice-visually-hidden{clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important;block-size:1px!important;inline-size:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@media (hover:hover){.practice-primary-action:hover:not(:disabled){border-color:var(--action-hover);background:var(--action-hover)}.practice-secondary-action:hover,.practice-empty__links a:hover,.practice-recovery__links a:hover,.practice-summary__links a:hover{border-color:var(--ink);background:var(--paper)}.feedback-panel__action--primary:hover{border-color:var(--action-hover);background:var(--action-hover)}.feedback-panel__action--secondary:hover{border-color:var(--ink);background:var(--paper)}.choice-control:hover{background:var(--paper)}.choice-control:has(input:checked):hover{background:var(--action-tint)}.sequence-move:hover:not(:disabled),.self-check-confirmation button:hover:not(:disabled){border-color:var(--ink);background:var(--paper)}.self-check-response__open:hover:not(:disabled){border-color:var(--action-hover);background:var(--action-hover)}}@media (width>=640px){.sequence-item{grid-template-columns:36px minmax(0,1fr) auto;grid-template-areas:"position label actions";align-items:center}.sequence-item__actions{justify-self:end}}@media (width<=399px){.answer-ribbon__list{gap:var(--space-1)}.answer-ribbon__cell{min-block-size:70px;padding:var(--space-1)}.question-renderer{gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-card)}.question-renderer__content h2{font-size:1.3rem}.question-renderer__stimulus{padding:var(--space-3)}.self-check-response__open,.self-check-confirmation__actions button,.feedback-panel__actions,.feedback-panel__action{inline-size:100%}.practice-page{gap:var(--space-6)}.practice-page__meta{margin-block-end:var(--space-4)}.practice-page__meta span:last-child,.practice-submit-area__actions,.practice-secondary-action,.practice-empty__links a,.practice-recovery__links a,.practice-summary__links a{inline-size:100%}}@media (prefers-reduced-motion:reduce){.feedback-panel{animation:none}.answer-ribbon__cell[aria-current=step]{transition:none;transform:none}.choice-control{transition:none}}.home-page,.sources-page,.progress-page,.progress-page__background{min-inline-size:0}.home-page,.sources-page,.progress-page__background{gap:var(--space-12);display:grid}.page-heading{border-block-end:1px solid var(--ink);padding-block-end:var(--space-6);position:relative}.page-heading:after{background:var(--action);content:"";block-size:3px;inline-size:88px;position:absolute;inset-block-end:-2px;inset-inline-start:0}.page-heading__meta{gap:var(--space-2) var(--space-3);font-family:var(--font-utility);letter-spacing:.035em;flex-wrap:wrap;margin-block-end:var(--space-6);font-size:.6875rem;line-height:1.4;display:flex}.page-heading__meta span{min-block-size:28px;padding-inline:var(--space-2);border:1px solid var(--rule-interactive);background:var(--surface);border-radius:6px;align-items:center;display:inline-flex}.page-heading__meta span:last-child{color:var(--ink-muted);border-style:dashed}.page-heading .page-kicker,.section-index,.next-step__eyebrow,.privacy-note__label,.metric-row__code,.reset-dialog__kicker{font-family:var(--font-utility);letter-spacing:.075em;text-transform:uppercase;font-size:.6875rem;font-weight:600;line-height:1.45}.source-directory{border-block-start:1px solid var(--ink)}.source-section{gap:var(--space-6);min-inline-size:0;padding-block:var(--space-8);border-block-end:1px solid var(--ink);display:grid}.source-section__heading h2,.source-provenance h2{letter-spacing:-.025em;margin-block-end:var(--space-3);font-size:clamp(1.25rem,4vw,1.65rem);font-weight:620;line-height:1.2}.source-section__heading>p:last-child,.source-provenance>p:not(.section-index){color:var(--ink-muted);margin:0;line-height:1.6}.source-list{border-block-start:1px dashed var(--rule-interactive);min-inline-size:0;margin:0;padding:0;list-style:none;display:grid}.source-resource{min-inline-size:0;padding-block:var(--space-4);border-block-end:1px dashed var(--rule)}.source-resource:last-child{border-block-end:0}.source-resource__classification{color:var(--action-hover);font-family:var(--font-utility);letter-spacing:.035em;text-transform:uppercase;margin-block-end:var(--space-2);font-size:.6875rem;font-weight:600;line-height:1.45}.source-section--secondary-practice .source-resource__classification{color:var(--ink-muted)}.source-section--separate-oge .source-resource__classification{color:var(--subject-english)}.source-resource__link{min-block-size:var(--target-min);align-items:center;gap:var(--space-2) var(--space-3);min-inline-size:0;color:var(--ink);-webkit-text-decoration-color:var(--rule-interactive);text-decoration-color:var(--rule-interactive);grid-template-columns:minmax(0,1fr) auto;display:grid}.source-resource__copy{gap:var(--space-1);min-inline-size:0;display:grid}.source-resource__copy strong,.source-resource__copy>span,.source-resource__host{overflow-wrap:anywhere}.source-resource__copy strong{line-height:1.4}.source-resource__copy>span{color:var(--ink-muted);font-size:1rem;line-height:1.5}.source-resource__host{color:var(--action-hover);font-family:var(--font-utility);grid-column:1;font-size:.75rem;line-height:1.4}.source-resource__link svg{color:var(--action-hover);grid-area:1/2/span 2;align-self:center}.source-provenance{padding:var(--space-6);border:1px solid var(--rule-interactive);border-block-start:3px solid var(--action);border-radius:var(--radius-card);background:var(--surface)}.source-provenance>p:not(.section-index)+p{margin-block-start:var(--space-4)}.source-provenance p.source-provenance__disclaimer{border-block-start:1px dashed var(--rule-interactive);color:var(--ink);padding-block-start:var(--space-4);font-weight:650}.page-heading .page-kicker{color:var(--action-hover);margin-block-end:var(--space-3)}.page-heading h1{margin-block-end:var(--space-4)}.page-thesis{max-inline-size:62ch;color:var(--ink-muted);margin:0;font-size:1.0625rem;line-height:1.7}.privacy-note{align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--rule);border-inline-start:3px solid var(--success);background:color-mix(in srgb, var(--surface) 72%, transparent);display:flex}.privacy-note__mark{border:2px solid var(--success);border-radius:50%;flex:none;block-size:10px;inline-size:10px;margin-block-start:7px;display:block}.privacy-note p{margin:0}.privacy-note .privacy-note__label{color:var(--success);margin-block-end:var(--space-1)}.privacy-note__warning{color:var(--correction);font-weight:650}.storage-warning{padding:var(--space-4);border:1px solid var(--correction);background:var(--surface);color:var(--correction);border-inline-start-width:4px;margin:0;font-weight:650}.next-step{gap:var(--space-4);padding:var(--space-6);border:1px solid var(--rule-interactive);border-block-start:3px solid var(--action);border-radius:var(--radius-surface);background:var(--surface);box-shadow:var(--shadow-raised);display:grid}.next-step__eyebrow{color:var(--action-hover);margin-block-end:var(--space-2)}.next-step h2,.section-heading-line h2,.activity-section h2,.subjects-section h2,.subject-progress h2,.reset-section h2,.empty-ledger h2{letter-spacing:-.025em;margin-block-end:var(--space-2);font-size:clamp(1.25rem,4vw,1.65rem);font-weight:620;line-height:1.2}.next-step__copy p:last-child{color:var(--ink-muted);margin:0}.button-primary,.subject-card__action,.button-secondary,.button-destructive,.reset-trigger{min-block-size:var(--target-min);min-inline-size:var(--target-min);border-radius:var(--radius-control);text-align:center;transition:background-color var(--duration-standard) var(--ease-out), border-color var(--duration-standard) var(--ease-out), color var(--duration-standard) var(--ease-out);justify-content:center;align-items:center;font-weight:700;line-height:1.3;text-decoration:none;display:inline-flex}.button-primary,.subject-card__action{min-block-size:48px;padding:var(--space-3) var(--space-4);border:1px solid var(--action);background:var(--action);color:var(--surface)}.next-step__action{inline-size:100%}.action-notice{gap:var(--space-3);margin-block:calc(var(--space-6) * -1) 0;padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--correction);background:var(--surface);display:grid}.action-notice p{margin:0}.action-notice p[role=status]{color:var(--correction);font-weight:650}.action-notice__actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.action-notice__actions button{min-inline-size:var(--target-min);min-block-size:var(--target-min);max-inline-size:100%;padding:var(--space-2) var(--space-3);border:1px solid var(--action);border-radius:var(--radius-control);background:var(--surface);color:var(--action-hover);font-weight:700}.activity-section,.subjects-section,.subject-progress{min-inline-size:0}.section-heading-line{gap:var(--space-2);border-block-end:1px dashed var(--rule-interactive);margin-block-end:var(--space-6);padding-block-end:var(--space-3);display:grid}.section-heading-line h2{margin-block-end:0}.section-heading-line>p{color:var(--ink-muted);margin:0;font-size:1rem;line-height:1.5}.section-index{color:var(--action-hover);margin-block-end:var(--space-1)}.activity-strip{align-items:end;gap:var(--space-2);grid-template-columns:repeat(7,minmax(0,1fr));min-block-size:116px;min-inline-size:0;margin:0;padding:0;list-style:none;display:grid}.activity-strip__day{justify-items:center;gap:var(--space-1);min-inline-size:0;display:grid}.activity-strip__count,.activity-strip__weekday{font-family:var(--font-utility);font-size:.6875rem;line-height:1.2}.activity-strip__count{color:var(--ink);font-weight:600}.activity-strip__weekday{color:var(--ink-muted);text-transform:uppercase}.activity-strip__bar{border:1px solid var(--rule-interactive);background:repeating-linear-gradient(to bottom, transparent 0, transparent 7px, var(--rule) 7px, var(--rule) 8px), var(--surface);border-radius:6px 6px 2px 2px;min-block-size:24px;inline-size:min(100%,40px);display:block}.activity-strip__bar--1{border-color:var(--action);background:var(--action-tint);block-size:36px}.activity-strip__bar--2{border-color:var(--action);background:var(--action-tint);block-size:50px}.activity-strip__bar--3{border-color:var(--action);background:var(--action-tint);block-size:64px}.activity-strip__bar--4{border-color:var(--action);background:var(--action-tint);block-size:78px}.subject-list{gap:var(--space-4);display:grid}.subject-card{--subject-edge:var(--action);--subject-tint:var(--action-tint);gap:var(--space-4);min-inline-size:0;padding:var(--space-4);border:1px solid var(--rule);border-inline-start:4px solid var(--subject-edge);border-radius:var(--radius-card);background:var(--surface);display:grid}.subject-card--russian{--subject-edge:var(--subject-russian);--subject-tint:var(--subject-russian-tint)}.subject-card--english{--subject-edge:var(--subject-english);--subject-tint:var(--subject-english-tint)}.subject-card--literature{--subject-edge:var(--subject-literature);--subject-tint:var(--subject-literature-tint)}.subject-card__index{border:1px solid var(--subject-edge);background:var(--subject-tint);border-radius:10px;place-items:center;block-size:52px;inline-size:52px;display:grid}.subject-card__mark,.subject-progress__mark{color:var(--ink);font-family:var(--font-display);letter-spacing:-.04em;font-size:.875rem;font-weight:650}.subject-card__body{min-inline-size:0}.subject-card__heading-line{justify-items:start;gap:var(--space-3);margin-block-end:var(--space-3);display:grid}.subject-card__heading-line h3{margin:0;font-size:1.125rem;font-weight:620;line-height:1.3}.subject-card__state{padding:var(--space-1) var(--space-2);border:1px solid var(--rule-interactive);border-radius:var(--radius-pill);background:var(--paper);color:var(--ink);font-size:.75rem;font-weight:650;line-height:1.4}.subject-card__classification{color:var(--ink-muted);font-family:var(--font-utility);margin-block-end:var(--space-3);font-size:.75rem;font-weight:600;line-height:1.5}.subject-card__scope,.subject-card__coverage,.subject-card__limitation{overflow-wrap:break-word;margin-block-end:var(--space-2)}.subject-card__scope{color:var(--ink)}.subject-card__coverage{font-weight:700}.subject-card__limitation{color:var(--ink-muted);margin-block-end:0;font-size:1rem;line-height:1.5}.subject-card__action{align-self:end;inline-size:100%}.score-disclaimer{padding:var(--space-1) var(--space-2);border:1px solid var(--correction);color:var(--correction);font-family:var(--font-utility);border-radius:6px;margin-block-end:var(--space-3);font-size:.75rem;font-weight:600;display:inline-block}.metric-ledger{border-block:1px solid var(--ink)}.metric-row{gap:var(--space-4);padding-block:var(--space-6);border-block-end:1px dashed var(--rule-interactive);display:grid}.metric-row:last-child{border-block-end:0}.metric-row__code{color:var(--action-hover);margin-block-end:var(--space-2)}.metric-row--literature .metric-row__code{color:var(--subject-literature)}.metric-row h2{margin:0;font-size:1.125rem;font-weight:620;line-height:1.35}.metric-row__result{min-inline-size:0}.metric-row__result strong{font-family:var(--font-display);letter-spacing:-.035em;font-size:clamp(1.5rem,6vw,2rem);font-weight:620;line-height:1.2;display:block}.metric-row__result>span{color:var(--success);font-family:var(--font-utility);margin-block-start:var(--space-1);font-weight:600;display:block}.metric-row__result p{margin:var(--space-3) 0 0;color:var(--ink-muted);font-size:1rem;line-height:1.5}.empty-ledger{padding:var(--space-6);border:1px dashed var(--rule-interactive);background:var(--surface)}.empty-ledger p:not(.section-index){color:var(--ink-muted)}.text-action{min-block-size:var(--target-min);color:var(--action-hover);align-items:center;font-weight:700;display:inline-flex}.subject-progress__sections{border-block-start:1px solid var(--ink)}.subject-progress__subject{--subject-edge:var(--action);padding-block:var(--space-6);border-block-end:1px solid var(--rule-interactive)}.subject-progress__subject--russian{--subject-edge:var(--subject-russian)}.subject-progress__subject--english{--subject-edge:var(--subject-english)}.subject-progress__subject--literature{--subject-edge:var(--subject-literature)}.subject-progress__header{align-items:center;gap:var(--space-3);display:flex}.subject-progress__mark{border:1px solid var(--subject-edge);border-radius:8px;flex:0 0 44px;place-items:center;block-size:44px;inline-size:44px;display:grid}.subject-progress__header h2{margin-block-end:var(--space-1)}.subject-progress__header p,.subject-progress__empty{color:var(--ink-muted);margin:0}.subject-progress__empty{margin-block-start:var(--space-4);padding-inline-start:calc(44px + var(--space-3))}.subject-progress__empty a{min-block-size:var(--target-min);color:var(--action-hover);align-items:center;font-weight:700;display:inline-flex}.topic-list{margin:var(--space-6) 0 0;gap:0;padding:0;list-style:none;display:grid}.topic-row{gap:var(--space-3);padding:var(--space-4) 0 var(--space-4) calc(44px + var(--space-3));border-block-start:1px dashed var(--rule);display:grid}.topic-row__heading h3{font-family:var(--font-body);letter-spacing:0;margin-block-end:var(--space-1);font-size:1rem;font-weight:700;line-height:1.5}.topic-row__heading span{color:var(--ink-muted);font-family:var(--font-utility);font-size:1rem;line-height:1.5}.topic-row__evidence{gap:var(--space-1);display:grid}.topic-row__evidence p{color:var(--ink-muted);margin:0;font-size:1rem;line-height:1.5}.reset-section{gap:var(--space-4);border-block-start:1px solid var(--ink);padding-block-start:var(--space-6);display:grid}.reset-section p:not(.section-index){color:var(--ink-muted);margin:0}.reset-trigger,.button-secondary{padding:var(--space-3) var(--space-4);border:1px solid var(--rule-interactive);background:var(--surface);color:var(--ink)}.reset-trigger{justify-self:start}.reset-section__control{justify-items:start;gap:var(--space-2);min-inline-size:0;display:grid}.reset-feedback{max-inline-size:40ch;padding:var(--space-3);background:var(--surface);border-inline-start:3px solid;margin:0;font-size:1rem;font-weight:650;line-height:1.5}.reset-section p.reset-feedback--durable{color:var(--success)}.reset-section p.reset-feedback--memory-only,.reset-section p.reset-feedback--failed{color:var(--correction)}.dialog-scrim{z-index:calc(var(--z-skip-link) + 10);padding:var(--space-4);background:#151b2c8f;place-items:center;display:grid;position:fixed;inset:0;overflow-y:auto}.reset-dialog{inline-size:min(100%,520px);padding:var(--space-6);border:1px solid var(--rule-interactive);border-block-start:4px solid var(--correction);border-radius:var(--radius-surface);background:var(--surface);box-shadow:var(--shadow-modal)}.reset-dialog__kicker{color:var(--correction);margin-block-end:var(--space-2)}.reset-dialog h2{margin-block-end:var(--space-3);font-size:clamp(1.35rem,6vw,2rem);font-weight:630;line-height:1.2}.reset-dialog__consequence,.reset-dialog__detail{color:var(--ink-muted);margin-block-end:0}.reset-dialog__detail{color:var(--correction);font-weight:650}.reset-dialog__actions{gap:var(--space-3);margin-block-start:var(--space-6);display:grid}.button-destructive{padding:var(--space-3) var(--space-4);border:1px solid var(--correction);background:var(--correction);color:var(--surface)}.visually-hidden{clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important;block-size:1px!important;inline-size:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@media (hover:hover){.button-primary:hover,.subject-card__action:hover{border-color:var(--action-hover);background:var(--action-hover)}.reset-trigger:hover,.button-secondary:hover{border-color:var(--ink);background:var(--paper)}.button-destructive:hover{border-color:color-mix(in srgb, var(--correction) 82%, var(--ink));background:color-mix(in srgb, var(--correction) 82%, var(--ink))}}@media (width<=639px){.home-page{gap:var(--space-8)}.page-heading--home{padding-block-end:var(--space-4)}.page-heading--home .page-heading__meta{display:none}.page-heading--home .page-kicker,.page-heading--home h1{margin-block-end:var(--space-2)}.page-heading--home .page-thesis{line-height:1.5}.next-step{gap:var(--space-3);padding:var(--space-4)}}@media (width>=640px){.home-page,.sources-page,.progress-page__background{gap:var(--space-16)}.page-heading__meta{margin-block-end:var(--space-8)}.next-step{padding:var(--space-8);grid-template-columns:minmax(0,1fr)}.next-step__action{justify-self:start;inline-size:auto}.section-heading-line{grid-template-columns:minmax(0,1fr) minmax(180px,.7fr);align-items:end}.section-heading-line>p{text-align:end}.subject-card{padding:var(--space-6);grid-template-columns:52px minmax(0,1fr) minmax(150px,auto);align-items:start}.subject-card__heading-line{justify-content:space-between;align-items:flex-start;display:flex}.subject-card__state{flex:none}.subject-card__action{inline-size:auto;max-inline-size:190px}.metric-row{align-items:start;gap:var(--space-8);grid-template-columns:minmax(0,1.2fr) minmax(190px,.8fr)}.topic-row{gap:var(--space-6);grid-template-columns:minmax(0,1fr) minmax(220px,.85fr)}.reset-section{grid-template-columns:minmax(0,1fr) auto;align-items:end}.reset-dialog{padding:var(--space-8)}.reset-dialog__actions{grid-template-columns:1fr 1fr}.source-section{align-items:start;gap:var(--space-8);grid-template-columns:minmax(190px,.7fr) minmax(0,1.3fr)}.source-resource__link{grid-template-columns:minmax(0,1fr) minmax(112px,auto) auto}.source-resource__host{text-align:end;grid-area:1/2/span 2}.source-resource__link svg{grid-column:3}}@media (height<=400px){.dialog-scrim{padding:var(--space-1);place-items:start center}.reset-dialog{padding:var(--space-3);flex-direction:column;display:flex}.reset-dialog__kicker{display:none}.reset-dialog h2{margin-block-end:var(--space-1);font-size:1.25rem;line-height:1.15}.reset-dialog__consequence,.reset-dialog__detail{line-height:1.3}.reset-dialog__detail{margin-block-start:var(--space-1)}.reset-dialog__actions{gap:var(--space-2);grid-template-columns:1fr 1fr;margin-block-start:var(--space-1)}.reset-dialog__actions button{padding:var(--space-2)}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f3f6fc;--surface:#fff;--ink:#151b2c;--ink-muted:#667085;--rule:#dce3f0;--rule-interactive:#74829b;--action:#3157ff;--action-hover:#2547dc;--correction:#c7362a;--success:#087a55;--subject-russian:#3157ff;--subject-english:#e66a2c;--subject-literature:#7548b8;--subject-russian-tint:#e8edff;--subject-english-tint:#fff0e8;--subject-literature-tint:#f1ebfa;--action-tint:#e8edff;--font-display:"Unbounded Variable", "Unbounded", sans-serif;--font-body:"Manrope Variable", "Manrope", sans-serif;--font-utility:"IBM Plex Mono", monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--radius-control:12px;--radius-card:18px;--radius-surface:24px;--radius-pill:999px;--shadow-raised:0 8px 28px #1b2c5e1a;--shadow-modal:0 24px 64px #151b2c2e;--duration-standard:.2s;--ease-out:cubic-bezier(.2, .8, .2, 1);--focus-ring:var(--action);--focus-separation:var(--paper);--target-min:44px;--rail-width:240px;--reading-width:760px;--z-sticky:20;--z-navigation:30;--z-skip-link:40}*,:before,:after{box-sizing:border-box}html{background:var(--paper);min-inline-size:0;color:var(--ink);font-family:var(--font-body);scroll-behavior:smooth;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-block-start:calc(64px + var(--space-4));scroll-padding-block-end:calc(88px + var(--space-6) + env(safe-area-inset-bottom));font-size:100%;line-height:1.5}body{min-block-size:100vh;min-inline-size:0;margin:0}body,button,input,select,textarea{font-family:var(--font-body)}button,input,select,textarea{color:inherit;font:inherit}button,select{min-block-size:var(--target-min)}button,[role=button]{cursor:pointer}img,picture,svg{max-inline-size:100%;display:block}h1,h2,h3,p{margin-block-start:0}h1{font-family:var(--font-display);overflow-wrap:break-word}h2,h3{font-family:var(--font-body);overflow-wrap:break-word;word-break:normal}h1{max-inline-size:18ch;letter-spacing:-.035em;margin-block-end:var(--space-4);font-size:clamp(2rem,9vw,3.5rem);font-weight:650;line-height:1.08}p{max-inline-size:68ch}a{color:inherit;text-underline-offset:.2em}:where(a,button,input,select,textarea,[tabindex]){scroll-margin-block:var(--space-4)}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 2px var(--focus-separation)}.provider-notice{align-items:center;gap:var(--space-3);flex-wrap:wrap;min-inline-size:0;display:flex}.provider-notice>p{flex:28rem;min-inline-size:min(100%,16rem);margin:0}.provider-notice__dismiss{min-block-size:44px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);background:var(--surface);color:inherit;font:inherit;border:1px solid;font-weight:700}.provider-notice-focus-owner:focus{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 2px var(--focus-separation)}#root{min-block-size:100vh}.skip-link{z-index:var(--z-skip-link);min-inline-size:var(--target-min);min-block-size:var(--target-min);padding:var(--space-2) var(--space-4);border:1px solid var(--ink);border-radius:var(--radius-control);background:var(--surface);color:var(--ink);align-items:center;font-weight:700;text-decoration:none;display:inline-flex;position:fixed;inset-block-start:-100px;inset-inline-start:var(--space-2)}.skip-link:focus,.skip-link:focus-visible{inset-block-start:var(--space-2)}.app-shell{background:var(--paper);min-block-size:100vh;min-inline-size:0}.shell-rail{z-index:var(--z-sticky);border-block-end:1px dashed var(--rule);background:var(--surface);position:sticky;inset-block-start:0}.shell-identity{justify-content:space-between;align-items:center;gap:var(--space-3);min-block-size:64px;padding:var(--space-3) var(--space-4);display:flex}.brand-lockup{align-items:center;gap:var(--space-3);min-inline-size:0;display:flex}.brand-mark{border-radius:var(--radius-control);background:var(--action);flex:0 0 36px;block-size:36px;inline-size:36px;display:block;position:relative}.brand-mark:before{border:2px solid var(--surface);content:"";border-radius:5px;position:absolute;inset:7px}.brand-mark:after{border-radius:var(--radius-pill);background:var(--correction);content:"";block-size:3px;inline-size:16px;position:absolute;inset-block-start:17px;inset-inline-start:14px;rotate:-48deg}.brand-wordmark{min-inline-size:0;font-family:var(--font-display);letter-spacing:-.035em;font-size:1.125rem;font-weight:650;line-height:1.1}.mobile-exam-label,.model-primary,.model-secondary,.privacy-kicker,.page-kicker{font-family:var(--font-utility)}.mobile-exam-label{color:var(--ink-muted);letter-spacing:.08em;text-transform:uppercase;flex:none;font-size:.6875rem;font-weight:600;line-height:1.3}.shell-model,.shell-privacy{display:none}.shell-navigation{z-index:var(--z-navigation);border-block-start:1px solid var(--rule-interactive);background:var(--surface);padding:var(--space-1) var(--space-2) max(var(--space-2), env(safe-area-inset-bottom));position:fixed;inset-block-end:0;inset-inline:0}.shell-navigation-list{grid-template-columns:repeat(4,minmax(0,1fr));max-inline-size:640px;margin:0 auto;padding:0;list-style:none;display:grid}.shell-navigation-item{min-inline-size:0}.shell-navigation-link{min-inline-size:var(--target-min);justify-content:center;align-items:center;gap:var(--space-1);min-block-size:60px;padding:var(--space-2) var(--space-1);border-radius:var(--radius-control);color:var(--ink-muted);font-family:var(--font-utility);text-align:center;transition:background-color var(--duration-standard) var(--ease-out), color var(--duration-standard) var(--ease-out);flex-direction:column;font-size:.75rem;font-weight:500;line-height:1.2;text-decoration:none;display:flex}.shell-navigation-link svg{flex:none}.shell-navigation-link[aria-current=page]{background:var(--action-tint);box-shadow:inset 0 3px 0 var(--action);color:var(--ink);font-weight:600}.shell-main{min-inline-size:0;padding-block:var(--space-6) calc(88px + var(--space-6) + env(safe-area-inset-bottom));padding-inline:var(--space-4)}.focus-lane{inline-size:min(100%, var(--reading-width));margin-inline:auto}.page-placeholder{min-block-size:min(520px,100vh - 176px);padding:var(--space-6);border:1px solid var(--rule);border-radius:var(--radius-surface);background:var(--surface);border-block-start-style:dashed}.page-kicker{color:var(--action-hover);letter-spacing:.08em;text-transform:uppercase;margin-block-end:var(--space-3);font-size:.75rem;font-weight:600;line-height:1.5}.page-summary{color:var(--ink-muted);margin-block-end:0;font-size:1rem;line-height:1.7}@media (hover:hover){.shell-navigation-link:hover{background:var(--paper);color:var(--ink)}.shell-navigation-link[aria-current=page]:hover{background:var(--action-tint)}}@media (width>=320px){.shell-main{padding-inline:var(--space-4)}}@media (width>=640px){.shell-identity{padding-inline:var(--space-6)}.shell-main{padding-block-start:var(--space-12);padding-inline:var(--space-6)}.page-placeholder{padding:var(--space-12)}}@media (width<=1023px) and (height<=400px){html{scroll-padding-block:var(--space-4)}.shell-rail,.shell-navigation{position:static}.shell-main{padding-block-end:var(--space-6)}}@media (width>=1024px){html{scroll-padding-block:var(--space-4)}.app-shell{grid-template-columns:var(--rail-width) minmax(0, 1fr);display:grid}.shell-rail{block-size:100vh;padding:var(--space-8) var(--space-6) var(--space-6);border-block-end:0;border-inline-end:1px dashed var(--rule);grid-template-rows:auto auto 1fr auto;display:grid}.shell-identity{min-block-size:0;padding:0;display:block}.brand-mark{flex-basis:44px;block-size:44px;inline-size:44px}.brand-mark:before{inset:9px}.brand-mark:after{inline-size:18px;inset-block-start:21px;inset-inline-start:17px}.brand-wordmark{font-size:1.25rem}.mobile-exam-label{display:none}.shell-model{gap:var(--space-1);padding-block:var(--space-3);border-block:1px solid var(--rule);margin-block-start:var(--space-6);display:grid}.model-primary{color:var(--ink);letter-spacing:.08em;font-size:.75rem;font-weight:600;line-height:1.4}.model-secondary{color:var(--ink-muted);font-size:.6875rem;line-height:1.4}.shell-navigation{padding:var(--space-8) 0 0;background:0 0;border-block-start:0;align-self:start;position:static}.shell-navigation-list{gap:var(--space-2);grid-template-columns:minmax(0,1fr);display:grid}.shell-navigation-link{justify-content:flex-start;gap:var(--space-3);min-block-size:48px;padding:var(--space-2) var(--space-3);font-family:var(--font-body);text-align:start;flex-direction:row;font-size:1rem;line-height:1.4}.shell-navigation-link[aria-current=page]{box-shadow:inset 3px 0 0 var(--action)}.shell-privacy{border-block-start:1px solid var(--rule);color:var(--ink-muted);align-self:end;margin:0;padding-block-start:var(--space-4);font-size:1rem;line-height:1.6;display:block}.privacy-kicker{color:var(--success);letter-spacing:.06em;text-transform:uppercase;margin-block-end:var(--space-1);font-size:.6875rem;font-weight:600;display:block}.shell-main{min-block-size:100vh;padding:var(--space-16) clamp(var(--space-8), 6vw, 96px)}.page-placeholder{min-block-size:min(640px,100vh - 128px)}}@media (width>=1024px) and (height<=560px){.shell-rail{block-size:auto;min-block-size:100vh;position:static}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}