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--tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@keyframes spin{to{transform:rotate(360deg)}}@keyframes ping{75%,to{opacity:0;transform:scale(2)}}.goa-navigator{gap:var(--space-3);flex-direction:column;display:flex}.goa-navigator__summary{color:var(--color-text-secondary);font-size:var(--font-size-xs);line-height:var(--line-height-normal);margin:0}.goa-navigator__grid{grid-template-columns:repeat(var(--goa-nav-columns,6), minmax(0, 1fr));gap:var(--goa-nav-gap);display:grid}.goa-nav-cell{inline-size:100%;min-block-size:var(--goa-nav-cell-min);aspect-ratio:1;border-radius:var(--radius-sm);background-color:var(--color-surface);color:var(--color-text-primary);font-family:inherit;font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);cursor:pointer;transition:transform var(--duration-fast) var(--easing-standard), background-color var(--duration-fast) var(--easing-standard), border-color var(--duration-fast) var(--easing-standard);border:2px solid #0000;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}:root{--goa-nav-cell-min:var(--touch-target-min);--goa-nav-gap:var(--space-2)}@media (width>=1024px){:root{--goa-nav-cell-min:2.125rem;--goa-nav-gap:var(--space-1)}}.goa-nav-cell__number{line-height:1}.goa-nav-cell__glyph{block-size:42%;inline-size:42%;position:absolute;inset-block-start:4%;inset-inline-end:4%}.goa-nav-cell[data-status=unanswered]{border-color:var(--color-border-strong);background-color:var(--color-surface)}.goa-nav-cell[data-status=answered]{background-color:var(--color-interactive);color:var(--color-on-interactive);border-color:var(--color-interactive)}.goa-nav-cell[data-status=flagged]{background-color:var(--color-accent);color:var(--color-on-accent);border-color:var(--color-accent-edge)}.goa-nav-cell[data-status=flagged]:after,.goa-nav-cell[data-status=answered-flagged]:after{content:"";border-block-start:.55rem solid var(--color-accent);border-inline-end:.55rem solid #0000;border-start-start-radius:var(--radius-sm);position:absolute;inset-block-start:0;inset-inline-start:0}.goa-nav-cell[data-status=flagged]:after{border-block-start-color:var(--color-accent-edge)}.goa-nav-cell[data-active]{outline:3px solid var(--color-focus-ring);outline-offset:2px;z-index:var(--z-dropdown);transform:scale(1.05)}.goa-nav-cell[data-status=answered-flagged]{background-color:var(--color-interactive);color:var(--color-on-interactive);border-color:var(--color-interactive)}.goa-nav-cell[data-status=answered-flagged]:after{border-block-start-color:var(--color-on-interactive)}.goa-nav-cell[data-status=locked]{background-color:var(--color-border);color:var(--color-text-primary);border-color:var(--color-border-strong);cursor:not-allowed;border-style:dashed}@media (prefers-reduced-motion:reduce){.goa-nav-cell[data-active]{transform:none}}.goa-navigator__body{gap:var(--space-2);flex-direction:column;display:flex}.goa-navigator__section{gap:var(--space-1);flex-direction:column;display:flex}.goa-navigator__section-title{z-index:var(--z-sticky);align-items:baseline;gap:var(--space-1);padding-block:var(--space-1);background-color:var(--color-surface);color:var(--color-text-secondary);font-size:var(--font-size-2xs);font-weight:var(--font-weight-emphasis);line-height:var(--line-height-normal);margin:0;display:flex;position:sticky;inset-block-start:0}.goa-navigator__section-code{letter-spacing:.06em;text-transform:uppercase}.goa-navigator__section-range{color:var(--color-text-secondary);font-weight:var(--font-weight-body)}.goa-navigator__section-lock{padding-inline:var(--space-1);border-radius:var(--radius-sm);background-color:var(--color-border);color:var(--color-text-primary);font-weight:var(--font-weight-emphasis);letter-spacing:.02em;margin-inline-start:auto}.goa-navigator__tabs{gap:var(--space-1);flex-wrap:wrap;display:flex}.goa-navigator__tab{min-block-size:var(--touch-target-min);padding:var(--space-1) var(--space-2);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background-color:var(--color-surface-sunken);color:var(--color-text-primary);cursor:pointer;transition:background-color var(--duration-fast) var(--easing-standard), border-color var(--duration-fast) var(--easing-standard);flex:auto;align-content:center;justify-items:start;gap:0;font-family:inherit;display:grid}.goa-navigator__tab-code{font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);letter-spacing:.06em;line-height:var(--line-height-tight);text-transform:uppercase}.goa-navigator__tab-count{font-size:var(--font-size-2xs);font-weight:var(--font-weight-body);line-height:var(--line-height-tight)}.goa-navigator__tab[aria-selected=true]{background-color:var(--color-surface);border-color:var(--color-interactive);box-shadow:inset 0 0 0 1px var(--color-interactive), inset 0 -3px 0 0 var(--color-interactive)}.goa-navigator__tab[data-locked]{background-color:var(--color-border);color:var(--color-text-primary);border-style:dashed}@media (prefers-reduced-motion:reduce){.goa-navigator__tab{transition:none}}.lobby{gap:var(--space-3);width:100%;max-width:48rem;padding-inline:var(--space-4);flex-direction:column;block-size:100%;min-block-size:0;margin-inline:auto;display:flex}.lobby__head{gap:var(--space-2);flex-direction:column;flex:none;display:flex}.lobby__identity{justify-content:space-between;align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.lobby__panels{gap:var(--space-3);flex:1;align-content:start;align-items:start;min-block-size:0;display:grid;overflow:hidden auto}.lobby__panels>.lobby__error,.lobby__panels>.payload-error,.lobby__panels>.lobby__card{grid-column:1/-1}.lobby__foot{align-items:center;gap:var(--space-1-5,var(--space-1));flex-direction:column;flex:none;display:flex}.lobby__clock-state{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface-sunken);color:var(--color-text-secondary);font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);line-height:var(--line-height-normal);align-self:stretch;margin:0;display:inline-flex}.lobby__title{font-size:var(--font-size-xl);font-weight:var(--font-weight-heading);color:var(--color-text-primary);letter-spacing:-.01em;margin:0}.lobby__summary{color:var(--color-text-primary);font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);padding:var(--space-1) var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface-sunken);margin:0}.lobby__paper{align-items:baseline;gap:var(--space-2);flex-wrap:wrap;min-inline-size:0;display:flex}.lobby__subtests{gap:var(--space-1);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.lobby__subtest{align-items:center;gap:var(--space-1);padding:1px var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface-sunken);color:var(--color-text-primary);font-size:var(--font-size-xs);line-height:var(--line-height-normal);display:inline-flex}.lobby__subtest-code{font-weight:var(--font-weight-emphasis);letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-secondary)}.lobby__subtest-count{font-weight:var(--font-weight-emphasis);color:var(--color-text-primary)}.lobby__error{gap:var(--space-1);padding:var(--space-3);border-radius:var(--radius-md);border:1px solid var(--color-danger);color:var(--color-text-primary);background-color:var(--color-surface);flex-direction:column;margin:0;display:flex}.lobby__error-text{margin:0}.lobby__card{justify-self:center;justify-items:center;gap:var(--space-2);inline-size:100%;max-inline-size:44rem;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-xl);background-color:var(--color-surface);box-shadow:var(--elevation-1);text-align:center;display:grid}.lobby-download{justify-items:center;gap:var(--space-2);display:grid}.lobby-download__title{font-size:var(--font-size-base);font-weight:var(--font-weight-emphasis);color:var(--color-text-primary);letter-spacing:-.01em;margin:0}.lobby-download__count{color:var(--color-text-secondary);font-size:var(--font-size-xs);margin:0}.lobby-ring{border-radius:var(--radius-full);justify-content:center;align-items:center;block-size:3.5rem;inline-size:3.5rem;display:flex;position:relative}.lobby-ring__svg{block-size:100%;inline-size:100%;transform:rotate(-90deg)}.lobby-ring__track{fill:none;stroke:var(--color-border);stroke-width:4px}.lobby-ring__arc{fill:none;stroke:var(--color-interactive);stroke-width:4px;stroke-linecap:round;transition:stroke-dasharray var(--duration-base) var(--easing-standard)}.lobby-ring[data-state=ready] .lobby-ring__arc{stroke:var(--color-success)}.lobby-ring[data-state=ready]{background-color:var(--color-surface-sunken)}.lobby-ring[data-state=failed] .lobby-ring__arc{stroke:var(--color-danger)}.lobby-ring[data-state=working]:after{content:"";border-radius:var(--radius-full);border:4px solid #0000;border-block-start-color:var(--color-interactive);opacity:.35;animation:1.6s linear infinite lobby-ring-spin;position:absolute;inset:0}@keyframes lobby-ring-spin{to{transform:rotate(360deg)}}.lobby-ring__mark{color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-emphasis);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.lobby-ring__check{block-size:1.5rem;inline-size:1.5rem;color:var(--color-success)}.lobby-rules{inline-size:100%}.lobby-rules__list{justify-content:center;gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.lobby-chip{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-full);background-color:var(--color-surface-sunken);color:var(--color-text-primary);font-size:var(--font-size-xs);line-height:var(--line-height-snug);white-space:nowrap;margin:0;display:inline-flex}.lobby-chip__icon{block-size:.875rem;inline-size:.875rem;color:var(--color-text-secondary);flex:none}.lobby-chip[data-degraded]{border-style:dashed}.lobby-check{justify-items:center;gap:var(--space-2);inline-size:100%;display:grid}.lobby-check__warning{max-inline-size:var(--measure);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background-color:var(--color-accent);color:var(--color-on-accent);font-size:var(--font-size-sm);text-align:start;margin:0}.lobby__start{justify-content:center;align-items:center;gap:var(--space-2);inline-size:100%;max-inline-size:24rem;min-block-size:var(--touch-target-min);padding:var(--space-3) var(--space-6);border-radius:var(--radius-lg);background-color:var(--color-interactive);color:var(--color-on-interactive);font-size:var(--font-size-base);font-weight:var(--font-weight-emphasis);box-shadow:var(--elevation-1);cursor:pointer;transition:background-color var(--duration-fast) var(--easing-standard), box-shadow var(--duration-fast) var(--easing-standard), transform var(--duration-fast) var(--easing-standard);border:1px solid #0000;display:inline-flex}.lobby__start:not(:disabled):hover{box-shadow:var(--elevation-2);transform:translateY(-1px)}.lobby__start:not(:disabled):active{box-shadow:var(--elevation-1);transform:translateY(0)scale(.99)}.lobby__start:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.lobby__start:disabled{background-color:var(--color-surface-sunken);color:var(--color-text-secondary);border-color:var(--color-border);box-shadow:none;cursor:not-allowed;transform:none}.lobby__start-note{color:var(--color-text-secondary);font-size:var(--font-size-xs);line-height:var(--line-height-normal);text-align:center;margin:0}.exam{flex-direction:column;block-size:100%;display:flex;overflow:hidden}.exam-boot{max-width:40rem;color:var(--color-text-primary);margin-inline:auto}.exam-header{z-index:var(--z-sticky);justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-block-end:1px solid var(--color-border);background-color:var(--color-surface);flex-wrap:wrap;flex:none;display:flex}.exam-header__left,.exam-header__right{align-items:center;gap:var(--space-3);display:flex}.exam-header__section{font-weight:var(--font-weight-heading);color:var(--color-text-primary);margin:0}.exam-header__position{color:var(--color-text-secondary);font-size:var(--font-size-sm);margin:0}.exam-timer{align-items:baseline;gap:var(--space-2);display:flex}.exam-timer__label{color:var(--color-text-secondary);font-size:var(--font-size-xs)}.exam-timer__value{font-size:var(--font-size-xl);font-weight:var(--font-weight-display);color:var(--color-text-primary)}.exam-timer[data-warning="300000"] .exam-timer__value,.exam-timer[data-warning="60000"] .exam-timer__value{color:var(--color-accent-edge)}.exam-timer[data-warning="60000"] .exam-timer__value{animation:2s ease-in-out infinite exam-pulse}@keyframes exam-pulse{0%,to{opacity:1}50%{opacity:.55}}.exam-sync{align-items:center;gap:var(--space-1);font-size:var(--font-size-xs);color:var(--color-text-secondary);margin:0;display:inline-flex}.exam-sync[data-tone=accent]{color:var(--color-accent-edge);font-weight:var(--font-weight-emphasis)}.exam-theme{align-items:center;gap:var(--space-1);display:inline-flex}.exam-theme__label{color:var(--color-text-secondary);font-size:var(--font-size-xs)}.exam-theme__select{min-block-size:var(--touch-target-min);padding:var(--space-1) var(--space-2);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background-color:var(--color-surface);color:var(--color-text-primary)}.exam__body{gap:var(--space-6);min-block-size:0;width:100%;max-width:76rem;padding-inline:var(--space-4);flex:1;margin-inline:auto;display:flex;overflow:hidden}.exam__content{min-block-size:0;min-inline-size:0;padding-block:var(--space-4) var(--space-8);flex:1;overflow-y:auto}.exam-question{gap:var(--space-4);max-width:var(--measure);flex-direction:column;display:flex}.exam-question--reading{gap:var(--space-4);inline-size:100%;flex-direction:column;max-width:100%;display:flex}.exam-question__reading-grid{gap:var(--space-5);grid-template-columns:1fr;inline-size:100%;display:grid}@media (width>=768px){.exam-question__reading-grid{gap:var(--space-6);grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start}.exam-question__passage-pane{max-height:calc(100vh - 12rem);border-inline-end:1px solid var(--color-border);padding-inline-end:var(--space-5);position:sticky;top:0;overflow-y:auto}.exam-question__interactive-pane{max-height:calc(100vh - 12rem);gap:var(--space-4);flex-direction:column;padding-inline-start:var(--space-1);display:flex;position:sticky;top:0;overflow-y:auto}}.exam-question__passage-header{border-block-end:1px solid var(--color-border);justify-content:space-between;align-items:center;margin-block-end:var(--space-3);padding-block-end:var(--space-2);display:flex}.exam-question__passage-badge{align-items:center;gap:var(--space-1-5,var(--space-1));font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;display:inline-flex}.exam-question__passage-body{font-family:var(--font-question);font-size:var(--font-size-question);line-height:var(--line-height-prose);color:var(--color-text-primary);white-space:pre-wrap;overflow-wrap:anywhere}.exam-passage-target{background-color:var(--color-surface-sunken);border-bottom:2px solid var(--color-interactive);color:var(--color-text-primary);padding:0 var(--space-1);border-radius:var(--radius-sm);font-weight:var(--font-weight-emphasis)}.exam-question__mobile-nav{gap:var(--space-2);margin-block-end:var(--space-2);display:flex}@media (width>=768px){.exam-question__mobile-nav{display:none}}.exam-question__mobile-tab{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-emphasis);cursor:pointer;text-align:center;flex:1}.exam-question__mobile-tab[aria-selected=true]{background-color:var(--color-interactive);color:var(--color-on-interactive);border-color:var(--color-interactive)}.exam-question__stem{font-family:var(--font-question);font-size:var(--font-size-question);font-weight:var(--font-weight-body);line-height:var(--line-height-prose);color:var(--color-text-primary);white-space:pre-wrap;overflow-wrap:anywhere;min-inline-size:0;margin:0}.exam-question__stem table{border-collapse:collapse;table-layout:fixed;inline-size:100%}.exam-question__stem th,.exam-question__stem td{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);text-align:start;vertical-align:top}.exam-options{gap:var(--space-2);flex-direction:column;display:flex}.exam-option{align-items:flex-start;gap:var(--space-3);inline-size:100%;min-block-size:var(--touch-target-min);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text-primary);font-size:var(--font-size-base);text-align:start;cursor:pointer;display:flex}.exam-option[data-selected]{border-color:var(--color-interactive);background-color:var(--color-surface-sunken);border-width:2px}.exam-option[data-selected] .exam-option__key{background-color:var(--color-interactive);color:var(--color-on-interactive);border-color:var(--color-interactive)}.exam-option:disabled{cursor:not-allowed;opacity:.6}.exam-option__key{inline-size:var(--space-6);block-size:var(--space-6);border:1px solid var(--color-border-strong);border-radius:var(--radius-full);font-size:var(--font-size-sm);flex:none;justify-content:center;align-items:center;display:inline-flex}.exam-option__content{flex:1}.exam-image{gap:var(--space-2);flex-direction:column;margin:0;display:flex}.exam-image__frame{touch-action:manipulation;border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.exam-image__frame[data-zoomed]{overscroll-behavior:contain;overflow:auto}.exam-image__img{block-size:auto;inline-size:100%;max-inline-size:100%;display:block}.exam-image__frame[data-zoomed] .exam-image__img{inline-size:calc(100% * var(--exam-image-zoom,1));max-inline-size:none}.exam-image__actions{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.exam-image__zoom-in,.exam-image__zoom-out,.exam-image__reset{min-block-size:var(--touch-target-min);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background-color:var(--color-surface);color:var(--color-text-primary);cursor:pointer}.exam-image__zoom-in:disabled,.exam-image__zoom-out:disabled,.exam-image__reset:disabled{cursor:not-allowed;opacity:.6}.exam-image__level{color:var(--color-text-primary);font-size:var(--font-size-sm)}.exam-image__hint{color:var(--color-text-secondary);font-size:var(--font-size-xs)}.exam-expired,.exam-locked{max-width:76rem;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background-color:var(--color-surface-sunken);color:var(--color-text-primary);margin:0 auto}.exam-expired{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.exam-expired__copy{max-width:var(--measure);margin:0}.exam-expired__actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.exam-expired__primary,.exam-expired__secondary{min-block-size:var(--touch-target-min);padding:var(--space-2) var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text-primary);font-weight:var(--font-weight-emphasis);cursor:pointer}.exam-expired__primary{background-color:var(--color-interactive);border-color:var(--color-interactive);color:var(--color-on-interactive)}.exam-toast{inset-block-end:var(--space-16);inset-inline:var(--space-4);z-index:var(--z-toast);max-width:32rem;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background-color:var(--color-brand);color:var(--color-on-brand);box-shadow:var(--elevation-3);margin-inline:auto;position:fixed}.exam-navigator{gap:var(--space-3);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);flex-direction:column;display:flex}.exam-navigator[data-shape=sidebar]{min-block-size:0;inline-size:20rem;margin-block:var(--space-4);flex:none}.exam-navigator[data-shape=sheet]{z-index:var(--z-overlay);border-radius:var(--radius-xl) var(--radius-xl) 0 0;block-size:70dvh;box-shadow:var(--elevation-4);padding-block-end:calc(var(--space-4) + env(safe-area-inset-bottom,0px));position:fixed;inset-block-end:0;inset-inline:0}.exam-navigator__head{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.exam-navigator__title{font-size:var(--font-size-md);color:var(--color-text-primary);margin:0}.exam-navigator__close,.exam-navigator__collapse,.exam-navigator__jump{min-block-size:var(--touch-target-min);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background-color:var(--color-surface);color:var(--color-text-primary);font-size:var(--font-size-sm);cursor:pointer}.exam-navigator__jumps{gap:var(--space-2);grid-template-columns:1fr 1fr;display:grid}.exam-navigator__jump{padding-inline:var(--space-2);font-size:var(--font-size-xs);text-align:center}.exam-navigator__scroll{flex:1;min-block-size:0;overflow:hidden auto}.exam-navigator__body-wrap{gap:var(--space-3);flex-direction:column;flex:1;min-block-size:0;display:flex}.exam-navigator[data-collapsed]{inline-size:auto;padding:var(--space-2)}.exam-navigator[data-collapsed] .exam-navigator__head{flex-direction:column;align-items:stretch;block-size:100%}.exam-navigator[data-collapsed] .exam-navigator__title{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.exam-navigator[data-collapsed] .exam-navigator__collapse{writing-mode:vertical-rl;min-inline-size:var(--touch-target-min);min-block-size:0;padding-block:var(--space-3);padding-inline:var(--space-1)}.exam-footer{z-index:var(--z-sticky);padding:var(--space-3) var(--space-4);border-block-start:1px solid var(--color-border);background-color:var(--color-surface);flex:none;padding-block-end:calc(var(--space-3) + env(safe-area-inset-bottom,0px));display:flex}.exam-footer__row{align-items:center;gap:var(--space-2);overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch;width:100%;max-width:76rem;margin-inline:auto;display:flex;overflow-x:auto}.exam-footer__row::-webkit-scrollbar{display:none}.exam-footer__spacer{min-inline-size:var(--space-2);flex:1}.exam-footer__nav,.exam-footer__flag,.exam-footer__grid,.exam-footer__finish,.exam-finish__cancel,.exam-finish__confirm{min-block-size:var(--touch-target-min);min-inline-size:var(--touch-target-min);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text-primary);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:var(--space-1);font-size:var(--font-size-sm);flex-shrink:0;transition:background-color .15s,border-color .15s;display:inline-flex}@media (width<=640px){.exam-footer{padding-inline:var(--space-2);padding-block:var(--space-2);padding-block-end:calc(var(--space-2) + env(safe-area-inset-bottom,0px))}.exam-footer__row{gap:var(--space-1)}.exam-footer__nav,.exam-footer__flag,.exam-footer__grid,.exam-footer__finish{padding-inline:var(--space-2);font-size:var(--font-size-xs)}}.exam-footer__flag[aria-pressed=true]{background-color:var(--color-accent);color:var(--color-on-accent);border-color:var(--color-accent-edge)}.exam-footer__finish,.exam-finish__confirm{background-color:var(--color-interactive);color:var(--color-on-interactive);border-color:var(--color-interactive);font-weight:var(--font-weight-emphasis)}.exam-footer__nav:disabled,.exam-footer__flag:disabled{opacity:.55;cursor:not-allowed}.exam-finish{gap:var(--space-3);max-width:36rem;padding:var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);background-color:var(--color-surface);flex-direction:column;display:flex}.exam-finish__title{font-size:var(--font-size-xl);color:var(--color-text-primary);margin:0}.exam-finish__summary,.exam-finish__note{color:var(--color-text-primary);margin:0}.exam-finish__error{color:var(--color-danger);margin:0}.exam-finish__actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.scoring{min-height:calc(80vh - var(--space-8));padding-block:var(--space-8);padding-inline:var(--space-4);flex-direction:column;justify-content:center;align-items:center;width:100%;margin-inline:auto;display:flex}.scoring__card{align-items:center;gap:var(--space-6);width:100%;max-width:32rem;padding:var(--space-6) var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-xl);background-color:var(--color-surface);box-shadow:var(--elevation-2);text-align:center;transition:box-shadow var(--duration-base) var(--easing-standard);flex-direction:column;display:flex}@media (width>=640px){.scoring__card{padding:var(--space-8)}}.scoring__header{align-items:center;gap:var(--space-2);flex-direction:column;width:100%;display:flex}.scoring__badge{border-radius:var(--radius-full);background-color:var(--color-surface-sunken);border:1px solid var(--color-border);block-size:3rem;inline-size:3rem;color:var(--color-success);justify-content:center;align-items:center;margin-block-end:var(--space-1);display:flex}.scoring__badge-icon{block-size:1.5rem;inline-size:1.5rem}.scoring__title{font-size:var(--font-size-xl);font-weight:var(--font-weight-heading);letter-spacing:-.02em;color:var(--color-text-primary);line-height:var(--line-height-snug);margin:0}@media (width>=640px){.scoring__title{font-size:var(--font-size-2xl)}}.scoring__lead{justify-content:center;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0;display:inline-flex}.scoring__lead-dot{border-radius:var(--radius-full);background-color:var(--color-interactive);block-size:.5rem;inline-size:.5rem;animation:1.6s ease-in-out infinite scoring-dot-pulse;display:inline-block}.scoring__problem{gap:var(--space-2);inline-size:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);background-color:var(--color-surface);color:var(--color-text-primary);text-align:start;flex-direction:column;margin:0;display:flex}.scoring__problem-text{font-size:var(--font-size-sm);margin:0}.scoring-card{align-items:center;gap:var(--space-5);flex-direction:column;width:100%;display:flex}:not(.scoring__card)>.scoring-card{border:1px solid var(--color-border);border-radius:var(--radius-xl);background-color:var(--color-surface);box-shadow:var(--elevation-2);padding:var(--space-6) var(--space-4)}.scoring-ring{block-size:4rem;inline-size:4rem;position:relative}.scoring-ring__svg{block-size:100%;inline-size:100%}.scoring-ring__track{fill:none;stroke:var(--color-border);stroke-width:3.5px}.scoring-ring__sweep{fill:none;stroke:var(--color-interactive);stroke-width:3.5px;stroke-linecap:round;stroke-dasharray:41 122;transform-origin:50%;animation:scoring-ring-spin 1.4s linear infinite, scoring-ring-breathe 2.8s var(--easing-standard) infinite}.scoring-ring[data-settled] .scoring-ring__sweep{stroke-dasharray:none;stroke:var(--color-success);animation:none}@keyframes scoring-ring-spin{to{transform:rotate(360deg)}}@keyframes scoring-ring-breathe{0%,to{stroke-dasharray:41 122}50%{stroke-dasharray:82 81}}@keyframes scoring-dot-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.85)}}.scoring-steps{gap:var(--space-4);text-align:start;flex-direction:column;width:100%;max-width:20rem;margin:0;padding:0;list-style:none;display:flex}.scoring-step{align-items:center;gap:var(--space-3);color:var(--color-text-secondary);display:flex;position:relative}.scoring-step:not(:last-child):after{content:"";inline-size:1.5px;block-size:calc(100% + var(--space-4) - 1.5rem);background-color:var(--color-border);position:absolute;inset-block-start:1.5rem;inset-inline-start:.625rem}.scoring-step[data-state=done]:not(:last-child):after{background-color:var(--color-success);opacity:.6}.scoring-step__mark{z-index:1;border-radius:var(--radius-full);background-color:var(--color-surface);block-size:1.25rem;inline-size:1.25rem;transition:color var(--duration-base) var(--easing-standard);flex:none;position:relative}.scoring-step[data-state=done]{color:var(--color-text-primary)}.scoring-step[data-state=done] .scoring-step__mark{color:var(--color-success)}.scoring-step[data-state=current]{color:var(--color-text-primary);font-weight:var(--font-weight-emphasis)}.scoring-step[data-state=current] .scoring-step__mark{color:var(--color-interactive);animation:2s ease-in-out infinite scoring-dot-pulse}.scoring-step[data-state=waiting]{color:var(--color-text-secondary);opacity:.7}.scoring-step[data-state=waiting] .scoring-step__mark{color:var(--color-border-strong)}.scoring-step__label{font-size:var(--font-size-sm);line-height:var(--line-height-normal)}.scoring-subtests{gap:var(--space-3);inline-size:100%;border-block-start:1px solid var(--color-border);flex-direction:column;align-items:center;padding-block-start:var(--space-4);display:flex}.scoring-subtests__title{color:var(--color-text-secondary);font-size:var(--font-size-xs);font-weight:var(--font-weight-emphasis);letter-spacing:.04em;text-transform:uppercase;margin:0}.scoring-subtests__list{justify-content:center;gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.scoring-subtest{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface-sunken);color:var(--color-text-primary);font-size:var(--font-size-xs);line-height:var(--line-height-normal);transition:border-color var(--duration-base) var(--easing-standard);display:inline-flex}.scoring-subtest[data-settled]{border-color:var(--color-success)}.scoring-subtest__dot{border-radius:var(--radius-full);background-color:var(--color-interactive);block-size:.4375rem;inline-size:.4375rem;animation:1.8s ease-in-out infinite scoring-dot-pulse;display:inline-block}.scoring-subtest[data-settled] .scoring-subtest__dot{background-color:var(--color-success);animation:none}.scoring-subtest__code{font-weight:var(--font-weight-emphasis);letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-primary)}.scoring-subtest__state{color:var(--color-text-secondary);font-size:var(--font-size-2xs)}.scoring-subtest[data-settled] .scoring-subtest__state{color:var(--color-success)}.scoring__tip{align-items:flex-start;gap:var(--space-3);inline-size:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface-sunken);text-align:start;display:flex}.scoring__tip-icon{block-size:1.125rem;inline-size:1.125rem;color:var(--color-text-secondary);flex:none;margin-block-start:.125rem}.scoring__patience{font-size:var(--font-size-xs);line-height:var(--line-height-normal);color:var(--color-text-secondary);margin:0}@media (width<=1023px){.exam__body{padding-inline:var(--space-3)}}@media (width<=767px){.exam-header{gap:var(--space-2)}.exam-header__right{justify-content:space-between;inline-size:100%}.exam-navigator[data-shape=sheet] .goa-nav-cell{min-block-size:3rem}.exam-question__stem table,.exam-question__stem thead,.exam-question__stem tbody,.exam-question__stem tr,.exam-question__stem th,.exam-question__stem td{inline-size:100%;max-inline-size:100%;display:block}.exam-question__stem tr{border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);margin-block-end:var(--space-3)}.exam-question__stem th,.exam-question__stem td{border:0;border-block-end:1px solid var(--color-border)}.exam-question__stem tr>:last-child{border-block-end:0}.exam-question__stem thead tr{border-color:var(--color-border-strong);background-color:var(--color-surface-sunken)}.exam-question__passage-pane[data-hidden=true],.exam-question__interactive-pane[data-hidden=true]{display:none!important}}@media (prefers-reduced-motion:reduce){.exam-timer[data-warning="60000"] .exam-timer__value,.scoring-ring__sweep,.scoring__lead-dot,.scoring-step[data-state=current] .scoring-step__mark,.scoring-subtest__dot{animation:none}.lobby-ring__arc{transition:none}}.custom-scrollbar{scrollbar-width:thin;scrollbar-color:var(--color-border-strong) transparent}.custom-scrollbar::-webkit-scrollbar{block-size:6px;inline-size:6px}.custom-scrollbar::-webkit-scrollbar-track{background:0 0}.custom-scrollbar::-webkit-scrollbar-thumb{background-color:var(--color-border-strong);border-radius:var(--radius-full)}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-secondary)}.payload-error{gap:var(--space-2);max-width:40rem;padding:var(--space-3) var(--space-4);border:1px solid var(--color-danger);border-radius:var(--radius-lg);background-color:var(--color-surface-raised);color:var(--color-text-primary);flex-direction:column;display:flex}.payload-error__title{font-size:var(--font-size-lg);font-weight:var(--font-weight-heading);line-height:var(--line-height-normal);margin:0}.payload-error__detail,.payload-error__safe{max-width:var(--measure);line-height:var(--line-height-normal);margin:0}.payload-error__hint,.payload-error__fallback{max-width:var(--measure);color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-normal);margin:0}.payload-error__foot{align-items:center;gap:var(--space-2) var(--space-3);flex-wrap:wrap;display:flex}.payload-error__action{min-height:var(--touch-target-min);min-width:var(--touch-target-min);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);background-color:var(--color-interactive);color:var(--color-on-interactive);font-size:var(--font-size-base);font-weight:var(--font-weight-emphasis);cursor:pointer;border:0;flex:none}.payload-error__action:disabled{cursor:progress;opacity:.7}.payload-error__action:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}