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var(--tw-animation-duration,var(--tw-duration,.15s))var(--tw-ease,ease)var(--tw-animation-delay,0s)var(--tw-animation-iteration-count,1)var(--tw-animation-direction,normal)var(--tw-animation-fill-mode,none)}.data-closed\:fade-out-0:where([data-state=closed]),.data-closed\:fade-out-0:where([data-closed]:not([data-closed=false])){--tw-exit-opacity:0}.data-closed\:zoom-out-95:where([data-state=closed]),.data-closed\:zoom-out-95:where([data-closed]:not([data-closed=false])){--tw-exit-scale:.95}.data-checked\:border-primary:where([data-state=checked]),.data-checked\:border-primary:where([data-checked]:not([data-checked=false])){border-color:var(--color-primary)}.data-checked\:bg-primary:where([data-state=checked]),.data-checked\:bg-primary:where([data-checked]:not([data-checked=false])){background-color:var(--color-primary)}.data-checked\:text-primary-foreground:where([data-state=checked]),.data-checked\:text-primary-foreground:where([data-checked]:not([data-checked=false])){color:var(--color-primary-foreground)}@media (prefers-color-scheme:dark){.dark\:data-checked\:bg-primary:where([data-state=checked]),.dark\:data-checked\:bg-primary:where([data-checked]:not([data-checked=false])){background-color:var(--color-primary)}}.data-disabled\:pointer-events-none:where([data-disabled=true]),.data-disabled\:pointer-events-none:where([data-disabled]:not([data-disabled=false])){pointer-events:none}.data-disabled\:opacity-50:where([data-disabled=true]),.data-disabled\:opacity-50:where([data-disabled]:not([data-disabled=false])){opacity:.5}.\[\&_svg\]\:pointer-events-none svg{pointer-events:none}.\[\&_svg\]\:shrink-0 svg{flex-shrink:0}.\[\&_svg\:not\(\[class\*\=\'size-\'\]\)\]\:size-4 svg:not([class*=size-]){width:calc(var(--spacing) * 4);height:calc(var(--spacing) * 4)}:is(.\*\:\[span\]\:last\:flex>*):is(span):last-child{display:flex}:is(.\*\:\[span\]\:last\:items-center>*):is(span):last-child{align-items:center}:is(.\*\:\[span\]\:last\:gap-2>*):is(span):last-child{gap:calc(var(--spacing) * 2)}.\[\&\>svg\]\:size-3\.5>svg{width:calc(var(--spacing) * 3.5);height:calc(var(--spacing) * 3.5)}}@property --tw-animation-delay{syntax:"*";inherits:false;initial-value:0s}@property --tw-animation-direction{syntax:"*";inherits:false;initial-value:normal}@property --tw-animation-duration{syntax:"*";inherits:false}@property --tw-animation-fill-mode{syntax:"*";inherits:false;initial-value:none}@property --tw-animation-iteration-count{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-translate-y{syntax:"*";inherits:false;initial-value:0}@property --scroll-fade-t{syntax:"<length-percentage>";inherits:false;initial-value:0}@property --scroll-fade-b{syntax:"<length-percentage>";inherits:false;initial-value:0}@property --scroll-fade-s{syntax:"<length-percentage>";inherits:false;initial-value:0}@property --scroll-fade-e{syntax:"<length-percentage>";inherits:false;initial-value:0}@property --scroll-fade-mask{syntax:"*";inherits:false}@property --shimmer-angle{syntax:"<angle>";inherits:true;initial-value:20deg}@property --shimmer-image{syntax:"*";inherits:false}@property --shimmer-text-fill{syntax:"*";inherits:false}@media (prefers-reduced-motion:reduce){.shimmer{-webkit-text-fill-color:currentColor;background-image:none;animation:none}}:root{--xe-surface-page:var(--color-surface-page);--xe-surface-card:var(--color-surface-card);--xe-surface-raised:var(--color-surface-raised);--xe-surface-sunken:var(--color-surface-sunken);--xe-surface-inverse:var(--color-surface-inverse);--xe-surface-accent:var(--color-primary);--xe-text-primary:var(--color-ink);--xe-text-secondary:var(--color-foreground-secondary);--xe-text-muted:var(--color-muted-foreground);--xe-text-decorative:var(--color-decorative);--xe-text-inverse:var(--color-inverse);--xe-text-accent:var(--color-accent-text);--xe-text-disabled:var(--color-neutral-400);--xe-text-muted-inverse:var(--color-muted-inverse);--xe-border-subtle:var(--color-subtle);--xe-border-muted:var(--color-neutral-300);--xe-border-strong:var(--color-strong);--xe-border-accent:var(--color-primary);--xe-border-subtle-inverse:var(--color-neutral-700);--xe-fill-hover:var(--xe-surface-sunken)}@supports (color:color-mix(in lab, red, red)){:root{--xe-fill-hover:color-mix(in srgb, var(--xe-surface-sunken) 50%, var(--xe-surface-page))}}:root{--xe-fill-selected:var(--xe-surface-sunken);--xe-fill-control:var(--color-neutral-200);--xe-fill-control-hover:var(--color-neutral-300);--xe-surface-inverse-hover:var(--color-neutral-800);--xe-subject-physics-bg:var(--color-indigo-100);--xe-subject-physics-fg:var(--color-indigo-800);--xe-subject-chemistry-bg:var(--color-teal-100);--xe-subject-chemistry-fg:var(--color-teal-800);--xe-subject-maths-bg:var(--color-purple-100);--xe-subject-maths-fg:var(--color-purple-800);--xe-subject-other-bg:var(--color-neutral-200);--xe-subject-other-fg:var(--color-neutral-700);--xe-accent:var(--color-primary);--xe-accent-hover:var(--color-primary-hover);--xe-accent-inverse:var(--color-accent-inverse);--xe-focus-ring:var(--color-ring);--xe-focus-ring-width:2px;--xe-focus-ring-offset:.125rem;--xe-disabled-opacity:.5;--xe-focus-ring-faint:var(--xe-text-primary)}@supports (color:color-mix(in lab, red, red)){:root{--xe-focus-ring-faint:color-mix(in srgb, var(--xe-text-primary) 14%, transparent)}}:root{--xe-focus-halo:0 0 0 3px var(--xe-focus-ring-faint);--xe-danger-ring-faint:var(--xe-danger-solid)}@supports (color:color-mix(in lab, red, red)){:root{--xe-danger-ring-faint:color-mix(in srgb, var(--xe-danger-solid) 18%, transparent)}}:root{--xe-danger-halo:0 0 0 3px var(--xe-danger-ring-faint);--xe-success-fg:var(--color-success);--xe-success-solid:var(--color-success-solid);--xe-success-border:var(--color-green-200);--xe-success-bg:var(--color-green-50);--xe-warning-fg:var(--color-warning);--xe-warning-solid:var(--color-amber-700);--xe-warning-border:var(--color-amber-200);--xe-warning-bg:var(--color-amber-50);--xe-danger-fg:var(--color-danger);--xe-danger-solid:var(--color-danger-solid);--xe-danger-border:var(--color-red-200);--xe-danger-bg:var(--color-red-50);--xe-danger-fg-inverse:var(--color-red-300);--xe-info-fg:var(--color-info);--xe-info-solid:var(--color-info-solid);--xe-info-border:var(--color-blue-200);--xe-info-bg:var(--color-blue-50);--xe-font-display:var(--font-display);--xe-font-body:var(--font-body);--xe-font-mono:var(--font-mono);--xe-font-width-display:"wdth" 112.5;--xe-text-3xs:var(--text-3xs);--xe-text-xs:var(--text-xs);--xe-text-base:var(--text-base);--xe-text-md:var(--text-md);--xe-text-lg:var(--text-lg);--xe-text-xl:var(--text-xl);--xe-text-2xl:var(--text-2xl);--xe-text-3xl:var(--text-3xl);--xe-text-4xl:var(--text-4xl);--xe-weight-regular:var(--font-weight-regular);--xe-weight-semibold:var(--font-weight-semibold);--xe-leading-none:var(--leading-none);--xe-leading-tight:var(--leading-tight);--xe-leading-snug:var(--leading-snug);--xe-leading-normal:var(--leading-normal);--xe-leading-relaxed:var(--leading-relaxed);--xe-tracking-tight:var(--tracking-tight);--xe-tracking-normal:var(--tracking-normal);--xe-tracking-wide:var(--tracking-wide);--xe-tracking-wider:var(--tracking-wider);--xe-tracking-widest:var(--tracking-widest);--xe-space-0:0;--xe-space-px:1px;--xe-space-0-5:.125rem;--xe-space-1:.25rem;--xe-space-1-5:.375rem;--xe-space-2:.5rem;--xe-space-2-5:.625rem;--xe-space-3:.75rem;--xe-space-4:1rem;--xe-space-5:1.25rem;--xe-space-6:1.5rem;--xe-space-7:1.75rem;--xe-space-8:2rem;--xe-space-10:2.5rem;--xe-space-12:3rem;--xe-space-16:4rem;--xe-space-20:5rem;--xe-space-24:6rem;--xe-gutter:5vw;--xe-border-hairline:1px;--xe-border-width:1px;--xe-border-thick:2px;--xe-radius-none:var(--radius-none);--xe-radius-sm:var(--radius-sm);--xe-radius-md:var(--radius-md);--xe-radius-lg:var(--radius-lg);--xe-radius-xl:var(--radius-xl);--xe-radius-full:var(--radius-full);--xe-shadow-none:none;--xe-shadow-xs:var(--shadow-xs);--xe-shadow-sm:var(--shadow-sm);--xe-shadow-sm-ink:var(--shadow-md);--xe-shadow-md:var(--shadow-md);--xe-shadow-lg:var(--shadow-lg);--xe-shadow-xl:var(--shadow-xl);--xe-shadow-accent:var(--shadow-accent);--xe-shadow-accent-sm:var(--shadow-accent-sm);--xe-shadow-success-sm:var(--shadow-success-sm);--xe-shadow-warning-sm:var(--shadow-warning-sm);--xe-duration-instant:.1s;--xe-duration-fast:.15s;--xe-duration-base:.18s;--xe-duration-slow:.3s;--xe-duration-slower:.4s;--xe-duration-skeleton:1.4s;--xe-duration-riffle:6s;--xe-ease-standard:var(--ease-standard);--xe-ease-out:var(--ease-out);--xe-transition-colors:color var(--xe-duration-fast) var(--xe-ease-standard), background-color var(--xe-duration-fast) var(--xe-ease-standard), border-color var(--xe-duration-fast) var(--xe-ease-standard);--xe-transition-elevation:box-shadow var(--xe-duration-base) var(--xe-ease-standard), background-color var(--xe-duration-base) var(--xe-ease-standard), border-color var(--xe-duration-base) var(--xe-ease-standard);--xe-z-base:0;--xe-z-raised:10;--xe-z-sticky:100;--xe-z-overlay:500;--xe-z-modal:1000;--xe-z-toast:1500;--xe-container-xs:var(--container-xs);--xe-container-sm:var(--container-sm);--xe-container-md:var(--container-md);--xe-container-lg:var(--container-lg);--xe-container-xl:var(--container-xl);--xe-container-2xl:var(--container-2xl);--xe-shell-sidebar:15rem;--xe-shell-bottom-nav:4rem;--xe-bp-sm:600px;--xe-bp-md:860px;--xe-bp-lg:1024px;--xe-icon-xs:14px;--xe-icon-sm:16px;--xe-icon-md:20px;--xe-icon-lg:24px;--xe-icon-xl:32px;--xe-icon-2xl:48px;--r:var(--xe-accent);--i:var(--xe-text-primary);--p:var(--xe-surface-raised);--b2:var(--xe-info-solid);--m:var(--xe-text-muted);--card:var(--xe-surface-card);--bord:var(--xe-border-subtle);--shadow:var(--xe-shadow-md);--shadow-h:var(--xe-shadow-accent);--anek:var(--xe-font-display);--dm:var(--xe-font-body)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@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-content{syntax:"*";inherits:false;initial-value:""}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@keyframes enter{0%{opacity:var(--tw-enter-opacity,1);transform:translate3d(var(--tw-enter-translate-x,0),var(--tw-enter-translate-y,0),0)scale3d(var(--tw-enter-scale,1),var(--tw-enter-scale,1),var(--tw-enter-scale,1))rotate(var(--tw-enter-rotate,0));filter:blur(var(--tw-enter-blur,0))}}@keyframes exit{to{opacity:var(--tw-exit-opacity,1);transform:translate3d(var(--tw-exit-translate-x,0),var(--tw-exit-translate-y,0),0)scale3d(var(--tw-exit-scale,1),var(--tw-exit-scale,1),var(--tw-exit-scale,1))rotate(var(--tw-exit-rotate,0));filter:blur(var(--tw-exit-blur,0))}}@keyframes tw-shimmer{0%{background-position:100% 0}to{background-position:0 0}}.shell{background:var(--xe-surface-page);min-height:100vh}.shell-sidebar{width:var(--xe-shell-sidebar);z-index:var(--xe-z-sticky);gap:var(--xe-space-6);padding:var(--xe-space-5) var(--xe-space-4);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.shell-brand{padding-left:var(--xe-space-2)}.shell-brand-link{padding:var(--xe-space-2);margin:calc(var(--xe-space-2) * -1);transition:var(--xe-transition-colors);align-items:center;display:inline-flex}.shell-brand-link:hover{background:var(--xe-fill-hover)}.shell-nav{gap:var(--xe-space-1);flex-direction:column;flex:1;list-style:none;display:flex}.shell-nav-spacer{flex:auto;min-height:0}.shell-nav-item-foot{padding-top:var(--xe-space-3)}.shell-nav-link{align-items:center;gap:var(--xe-space-3);padding:var(--xe-space-3);font-family:var(--xe-font-body);font-size:var(--xe-text-base);font-weight:var(--xe-weight-semibold);color:var(--xe-text-secondary);border:var(--xe-border-width) solid transparent;border-radius:var(--xe-radius-md);transition:var(--xe-transition-colors);text-decoration:none;display:flex}.shell-nav-link:hover{background:var(--xe-fill-hover);color:var(--xe-text-primary)}.shell-nav-link.is-active{background:var(--xe-fill-selected);color:var(--xe-text-primary)}.shell-nav-soon{margin-left:auto;display:inline-flex}.shell-main{margin:var(--xe-space-3) var(--xe-space-3) var(--xe-space-3) calc(var(--xe-shell-sidebar) + var(--xe-space-3));height:calc(100svh - var(--xe-space-6));background:var(--xe-surface-card);border:var(--xe-border-thick) solid var(--xe-border-subtle);border-radius:var(--xe-radius-xl);min-width:0;overflow:hidden auto}.shell-content{max-width:var(--xe-container-lg);min-width:0;padding:var(--xe-space-8) var(--xe-gutter);margin:0 auto}@media (width<=860px){.shell-sidebar{width:auto;height:calc(var(--xe-shell-bottom-nav) + env(safe-area-inset-bottom,0px));padding:0 0 env(safe-area-inset-bottom,0px);background:var(--xe-surface-card);border-top:var(--xe-border-width) solid var(--xe-border-subtle);flex-direction:row;gap:0;top:auto;right:0}.shell-brand{display:none}.shell-nav{flex-direction:row;gap:0}.shell-nav-item{flex:1}.shell-nav-item-foot{margin-top:0;padding-top:0}.shell-nav-link{justify-content:center;gap:var(--xe-space-1);height:100%;padding:var(--xe-space-1);font-size:var(--xe-text-base);border:none;flex-direction:column;position:relative}.shell-nav-link.is-active{color:var(--xe-text-primary);background:0 0}.shell-nav-link.is-active:before{content:"";width:var(--xe-space-6);height:var(--xe-border-thick);background:var(--xe-accent);border-radius:var(--xe-radius-full);position:absolute;top:0;left:50%;transform:translate(-50%)}.shell-nav-soon,.shell-nav-spacer,.shell-nav-item-desktop{display:none}.shell-main{border-radius:var(--xe-radius-none);height:auto;min-height:100svh;padding-bottom:calc(var(--xe-shell-bottom-nav) + env(safe-area-inset-bottom,0px));border:none;margin:0;overflow:visible}.shell-content{padding:var(--xe-space-6) var(--xe-gutter)}}.auth-loading,.admin-loading{background:var(--xe-surface-raised);min-height:100vh;font-family:var(--xe-font-body);font-size:var(--xe-text-md);font-variation-settings:"wdth" 112.5;color:var(--xe-text-muted);letter-spacing:.02em;justify-content:center;align-items:center;font-weight:600;display:flex}.brief-back{margin-bottom:var(--xe-space-6)}.brief-head{margin-bottom:var(--xe-space-7)}.brief-head h1{font-family:var(--xe-font-display);font-size:var(--xe-text-2xl);font-weight:var(--xe-weight-semibold);font-variation-settings:var(--xe-font-width-display);line-height:var(--xe-leading-tight);margin-bottom:var(--xe-space-1)}.brief-head p{font-size:var(--xe-text-base);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted)}.brief-facts{gap:var(--xe-border-width);background:var(--xe-border-subtle);border:var(--xe-border-width) solid 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(width<=1024px){.rp{grid-template-columns:1fr}.rp-splitter{display:none}.rp-sheet-close{display:inline-flex}.rp-sheet{height:88%;z-index:var(--xe-z-overlay);border-top:var(--xe-border-width) solid var(--xe-border-subtle);box-shadow:var(--xe-shadow-xl);visibility:hidden;transition:transform var(--xe-duration-base) var(--xe-ease-out), visibility var(--xe-duration-base);position:absolute;bottom:0;left:0;right:0;transform:translateY(100%)}.rp--sheet-open .rp-sheet{visibility:visible;transform:translateY(0)}}@media (width<=600px){.rp-main{padding:var(--xe-space-4) var(--exam-pad) var(--xe-space-10)}.rp-hero{padding:var(--xe-space-4)}.rp-section-h{font-size:var(--xe-text-xl)}.rp-hero-actions{display:block}.rp-hero-btn{width:100%}.rp-q-title{display:none}.rp-q-body,.rp-breakdowns{padding:var(--xe-space-4)}}.scan-screen{background:var(--xe-surface-raised);flex-direction:column;min-height:100vh;display:flex}.scan-screen-dark{background:var(--xe-surface-inverse);color:var(--xe-text-inverse)}.scan-error{border-radius:var(--xe-radius-md);background:var(--xe-danger-bg);color:var(--xe-text-primary);padding:var(--xe-space-3);font-size:var(--xe-text-base);line-height:var(--xe-leading-normal)}.scan-camera{background:var(--xe-surface-inverse);color:var(--xe-text-inverse);position:fixed;inset:0;overflow:hidden}.scan-video{object-fit:cover;width:100%;height:100%;display:block}.scan-camera-status,.scan-camera-error{inset:auto var(--xe-space-6);text-align:center;font-size:var(--xe-text-base);color:var(--xe-text-inverse);position:absolute;top:50%;transform:translateY(-50%)}.scan-camera-error{justify-items:center;gap:var(--xe-space-3);border:var(--xe-border-width) solid var(--xe-border-subtle-inverse);border-radius:var(--xe-radius-md);padding:var(--xe-space-5);line-height:var(--xe-leading-normal);display:grid}.scan-camera-error-hint{color:var(--xe-text-muted-inverse);font-size:var(--xe-text-base)}.scan-live-overlay{pointer-events:none;position:absolute;inset:0}.scan-live-quad{fill:var(--xe-accent);fill-opacity:.04;stroke:var(--xe-accent);stroke-width:var(--xe-border-thick);transition:fill-opacity var(--xe-duration-fast) var(--xe-ease-out)}.scan-live-quad.is-holding{fill-opacity:.09}.scan-live-corner{fill:var(--xe-text-inverse)}.scan-flash{background:var(--xe-text-inverse);pointer-events:none;animation:scan-flash var(--xe-duration-base) var(--xe-ease-out);position:absolute;inset:0}@keyframes scan-flash{0%{opacity:.85}to{opacity:0}}@media (prefers-reduced-motion:reduce){.scan-flash{animation-duration:var(--xe-duration-instant)}}.scan-flight{object-fit:cover;pointer-events:none;width:100%;height:100%;animation:scan-flight var(--xe-duration-slower) var(--xe-ease-out) forwards;position:absolute;inset:0}@keyframes scan-flight{0%{opacity:1;transform:translate(0)scale(1)}to{transform:translate(var(--fly-x), var(--fly-y)) scale(var(--fly-scale));opacity:.4}}.scan-stack.is-landing{animation:scan-stack-land var(--xe-duration-slower) var(--xe-ease-out)}@keyframes scan-stack-land{0%{border-color:var(--xe-text-inverse)}60%{border-color:var(--xe-accent)}to{border-color:var(--xe-text-inverse)}}.scan-camera-top,.scan-camera-bottom{justify-content:space-between;align-items:center;gap:var(--xe-space-4);padding:var(--xe-space-4) var(--xe-space-5);display:flex;position:absolute;left:0;right:0}.scan-camera-top{top:0}.scan-camera-bottom{padding-bottom:calc(var(--xe-space-6) + env(safe-area-inset-bottom,0px));justify-content:space-around;bottom:0}.scan-camera-hint{left:50%;bottom:calc(var(--xe-space-24) + var(--xe-space-6) + env(safe-area-inset-bottom,0px));font-family:var(--xe-font-body);font-size:var(--xe-text-base);white-space:nowrap;color:var(--xe-text-inverse);background:var(--xe-surface-inverse);border:var(--xe-border-width) solid var(--xe-border-subtle-inverse);border-radius:var(--xe-radius-md);padding:var(--xe-space-1-5) var(--xe-space-3);font-weight:600;position:absolute;transform:translate(-50%)}.scan-camera-hint:empty{display:none}.scan-auto-toggle{font-family:var(--xe-font-body);font-size:var(--xe-text-base);color:var(--xe-text-inverse);background:var(--xe-surface-inverse);border:var(--xe-border-width) solid var(--xe-border-subtle-inverse);border-radius:var(--xe-radius-md);padding:var(--xe-space-2) var(--xe-space-3);cursor:pointer;transition:var(--xe-transition-colors);min-height:var(--xe-space-12);font-weight:700}.scan-auto-toggle.is-on{background:var(--xe-accent);border-color:var(--xe-accent);color:var(--xe-text-inverse)}.scan-round-btn{width:var(--xe-space-12);height:var(--xe-space-12);border:var(--xe-border-width) solid var(--xe-border-subtle-inverse);border-radius:var(--xe-radius-full);background:var(--xe-surface-inverse);color:var(--xe-text-inverse);cursor:pointer;transition:var(--xe-transition-colors);place-items:center;display:grid;position:relative}.scan-round-btn:hover:not(:disabled){background:var(--xe-text-primary)}.scan-round-btn:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-round-btn.is-on{background:var(--xe-accent);border-color:var(--xe-accent)}.scan-round-btn-spacer{width:var(--xe-space-12);height:var(--xe-space-12)}.scan-stack{width:var(--xe-space-12);height:var(--xe-space-12);border:var(--xe-border-width) solid var(--xe-text-inverse);border-radius:var(--xe-radius-lg);background:var(--xe-surface-inverse);color:var(--xe-text-inverse);cursor:pointer;place-items:center;padding:0;display:grid;position:relative;overflow:hidden}.scan-stack:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-stack img{object-fit:cover;width:100%;height:100%}.scan-stack-count{min-width:var(--xe-space-5);font-family:var(--xe-font-mono);font-size:var(--xe-text-3xs);padding:var(--xe-space-1);text-align:center;background:var(--xe-accent);color:var(--xe-text-inverse);line-height:1;position:absolute;bottom:0;right:0}.scan-pick input[type=file]{opacity:0;cursor:pointer;position:absolute;inset:0}.scan-shutter{width:var(--xe-space-20);height:var(--xe-space-20);border-radius:var(--xe-radius-full);background:var(--xe-surface-card);color:var(--xe-text-primary);cursor:pointer;transition:var(--xe-transition-colors);border:none;place-items:center;display:grid;position:relative}.scan-hold-ring{pointer-events:none;max-width:none;position:absolute;top:50%;left:50%;overflow:visible;transform:translate(-50%,-50%)rotate(-90deg)}.scan-hold-track,.scan-hold-progress{fill:none;stroke-linecap:butt}.scan-hold-track{stroke:var(--xe-text-primary);opacity:.18;stroke-width:3px}.scan-hold-progress{stroke:var(--xe-accent);stroke-width:3px;transition:stroke-dasharray var(--xe-duration-fast) linear}.scan-shutter:hover:not(:disabled){background:var(--xe-surface-sunken)}.scan-shutter:active:not(:disabled){background:var(--xe-accent);color:var(--xe-text-inverse)}.scan-shutter:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-crop{flex-direction:column;flex:1;min-height:100vh;display:flex}.scan-crop-frame{padding:var(--xe-space-4);flex:1;place-items:center;min-height:0;display:grid}.scan-crop-stage{position:relative}.scan-crop-host{line-height:0}.scan-crop-canvas{display:block}.scan-crop-overlay{touch-action:none;position:absolute;inset:0}.scan-crop-mask{fill:var(--xe-surface-inverse);opacity:.55}.scan-crop-poly{fill:none;stroke:var(--xe-accent);stroke-width:var(--xe-border-thick)}.scan-crop-handle{fill:var(--xe-accent);fill-opacity:.9;stroke:var(--xe-text-inverse);stroke-width:var(--xe-border-thick);cursor:grab}.scan-crop-handle.is-active,.scan-crop-handle:focus-visible{fill:var(--xe-text-inverse);stroke:var(--xe-accent);outline:none}.scan-crop-grip{fill:var(--xe-text-inverse);stroke:var(--xe-accent);stroke-width:var(--xe-border-thick);cursor:grab}.scan-crop-grip.is-active,.scan-crop-grip:focus-visible{fill:var(--xe-accent);fill-opacity:1;stroke:var(--xe-text-inverse);outline:none}.scan-loupe{width:var(--xe-space-24);height:var(--xe-space-24);border:var(--xe-border-width) solid var(--xe-text-inverse);border-radius:var(--xe-radius-full);background:var(--xe-surface-inverse);opacity:0;pointer-events:none;transition:opacity var(--xe-duration-fast) var(--xe-ease-out);position:absolute}.scan-loupe.is-visible{opacity:1}.scan-loupe.left{left:var(--xe-space-3)}.scan-loupe.right{right:var(--xe-space-3)}.scan-loupe.top{top:var(--xe-space-3)}.scan-loupe.bottom{bottom:var(--xe-space-3)}.scan-crop-bar{padding:var(--xe-space-4) var(--xe-space-5) calc(var(--xe-space-5) + env(safe-area-inset-bottom,0px));border-top:var(--xe-border-width) solid var(--xe-border-subtle-inverse);gap:var(--xe-space-3);display:grid}.scan-crop-hint{font-size:var(--xe-text-base);color:var(--xe-text-muted-inverse);text-align:center;line-height:var(--xe-leading-normal)}.scan-crop-actions{gap:var(--xe-space-2);grid-template-columns:auto 1fr 1fr;align-items:stretch;display:grid}.scan-crop-actions>*{white-space:nowrap}.scan-crop-cancel{justify-content:center;align-items:center;gap:var(--xe-space-2);padding:var(--xe-space-3) var(--xe-space-4);font-family:var(--xe-font-body);font-size:var(--xe-text-base);color:var(--xe-text-inverse);border:var(--xe-border-width) solid var(--xe-border-subtle-inverse);border-radius:var(--xe-radius-md);cursor:pointer;transition:var(--xe-transition-colors);background:0 0;font-weight:600;display:inline-flex}.scan-crop-cancel:hover:not(:disabled){background:var(--xe-text-primary)}.scan-crop-cancel:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-review{background:var(--xe-surface-page);grid-template-rows:auto minmax(0,1fr) auto auto;height:100dvh;display:grid;overflow:hidden}.scan-review-bar{grid-template-columns:var(--xe-space-12) 1fr auto;align-items:center;gap:var(--xe-space-2);padding:var(--xe-space-2) var(--xe-space-3);border-bottom:var(--xe-border-width) solid var(--xe-border-subtle);background:var(--xe-surface-card);display:grid}.scan-review-bar h1{font-family:var(--xe-font-display);font-size:var(--xe-text-lg);font-variation-settings:"wdth" 112.5;font-weight:600;line-height:var(--xe-leading-none)}.scan-bar-btn{width:var(--xe-space-12);height:var(--xe-space-12);border-radius:var(--xe-radius-md);color:var(--xe-text-primary);cursor:pointer;transition:var(--xe-transition-colors);background:0 0;border:none;place-items:center;display:grid}.scan-bar-btn:hover{color:var(--xe-text-accent)}.scan-bar-primary{align-items:center;gap:var(--xe-space-2);min-height:var(--xe-space-12);padding:0 var(--xe-space-4);background:var(--xe-text-primary);color:var(--xe-text-inverse);border:var(--xe-border-width) solid var(--xe-text-primary);border-radius:var(--xe-radius-md);font-family:var(--xe-font-body);font-size:var(--xe-text-base);cursor:pointer;transition:var(--xe-transition-colors);font-weight:600;display:inline-flex}.scan-bar-primary:hover:not(:disabled){background:var(--xe-surface-inverse-hover);border-color:var(--xe-surface-inverse-hover)}.scan-bar-primary:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-deck{background:var(--xe-surface-sunken);touch-action:pan-y;place-items:center;min-height:0;display:grid;position:relative;overflow:hidden}.scan-deck-track{will-change:transform;width:100%;height:100%;display:flex}.scan-deck-slide{flex:0 0 100%;place-items:safe center;min-width:0;display:grid;overflow:hidden}.scan-deck-slide img{max-width:calc(100% * var(--zoom,1));max-height:calc(100% * var(--zoom,1));object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.scan-deck-slide.is-zoomed{touch-action:pan-x pan-y;overflow:auto}.scan-deck-bar{justify-content:space-between;align-items:flex-start;gap:var(--xe-space-2);padding:var(--xe-space-2);pointer-events:none;display:flex;position:absolute;top:0;left:0;right:0}.scan-deck-bar>*{pointer-events:auto}.scan-deck-count{background:var(--xe-text-primary);color:var(--xe-text-inverse);font-family:var(--xe-font-mono);font-size:var(--xe-text-xs);padding:var(--xe-space-1-5) var(--xe-space-2);line-height:1}.scan-zoom{border:var(--xe-border-width) solid var(--xe-border-subtle);border-radius:var(--xe-radius-md);background:var(--xe-surface-card);align-items:center;display:flex}.scan-zoom-btn{width:var(--xe-space-12);height:var(--xe-space-12);border-radius:var(--xe-radius-md);color:var(--xe-text-primary);cursor:pointer;transition:var(--xe-transition-colors);background:0 0;border:none;place-items:center;display:grid}.scan-zoom-btn:hover:not(:disabled){background:var(--xe-surface-sunken)}.scan-zoom-btn:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-zoom-level{min-width:var(--xe-space-8);text-align:center;font-family:var(--xe-font-mono);font-size:var(--xe-text-xs);color:var(--xe-text-secondary)}.scan-deck-error{left:var(--xe-space-3);right:var(--xe-space-3);bottom:var(--xe-space-3);border-radius:var(--xe-radius-md);background:var(--xe-danger-bg);color:var(--xe-text-primary);padding:var(--xe-space-3);font-size:var(--xe-text-base);line-height:var(--xe-leading-normal);position:absolute}.scan-rail{gap:var(--xe-space-2);padding:var(--xe-space-2) var(--xe-space-3);border-top:var(--xe-border-width) solid var(--xe-border-subtle);background:var(--xe-surface-card);list-style:none;display:flex;overflow-x:auto}.scan-rail.is-reordering{cursor:grabbing}.scan-thumb{border:var(--xe-border-width) solid var(--xe-border-muted);border-radius:var(--xe-radius-md);background:var(--xe-surface-page);width:2.25rem;height:3rem;color:var(--xe-text-muted);cursor:pointer;touch-action:none;transition:var(--xe-transition-colors);place-items:center;padding:0;display:grid;position:relative;overflow:hidden}.scan-thumb img{object-fit:cover;width:100%;height:100%}.scan-thumb.is-current{border-color:var(--xe-accent)}.scan-thumb.is-current:after{content:"";height:var(--xe-space-1);background:var(--xe-accent);position:absolute;inset:auto 0 0}.scan-thumb.is-dragging{border-color:var(--xe-text-primary);box-shadow:var(--xe-shadow-sm)}.scan-thumb span{background:var(--xe-text-primary);color:var(--xe-text-inverse);font-family:var(--xe-font-mono);font-size:var(--xe-text-3xs);padding:var(--xe-space-1);line-height:1;position:absolute;top:0;left:0}.scan-actions{background:var(--xe-border-subtle);border-top:var(--xe-border-width) solid var(--xe-border-subtle);padding-bottom:env(safe-area-inset-bottom,0px);scrollbar-width:none;grid-auto-columns:minmax(3.5rem,1fr);grid-auto-flow:column;gap:1px;display:grid;overflow-x:auto}.scan-actions::-webkit-scrollbar{display:none}.scan-action{justify-items:center;gap:var(--xe-space-1);white-space:nowrap;padding:var(--xe-space-2-5) var(--xe-space-1);background:var(--xe-surface-card);color:var(--xe-text-secondary);font-family:var(--xe-font-body);font-size:var(--xe-text-base);cursor:pointer;transition:var(--xe-transition-colors);font-weight:600;display:grid}.scan-action:hover:not(:disabled){background:var(--xe-surface-sunken);color:var(--xe-text-primary)}.scan-action:disabled{opacity:var(--xe-disabled-opacity);cursor:not-allowed}.scan-action.is-open{background:var(--xe-text-primary);color:var(--xe-text-inverse)}.scan-action-danger:hover:not(:disabled){color:var(--xe-danger-fg)}.scan-sheet-scrim{background:var(--xe-surface-inverse);opacity:.5;cursor:pointer;z-index:var(--xe-z-overlay);border:none;position:fixed;inset:0}.scan-sheet{z-index:var(--xe-z-modal);gap:var(--xe-space-3);padding:var(--xe-space-4) var(--xe-space-4) calc(var(--xe-space-5) + env(safe-area-inset-bottom,0px));background:var(--xe-surface-card);border-top:var(--xe-border-width) solid var(--xe-border-subtle);box-shadow:var(--xe-shadow-lg);display:grid;position:fixed;bottom:0;left:0;right:0}.scan-sheet-head{justify-content:space-between;align-items:center;display:flex}.scan-sheet-head h2{font-family:var(--xe-font-display);font-size:var(--xe-text-lg);font-variation-settings:"wdth" 112.5;font-weight:600}.scan-sheet-done{align-items:center;gap:var(--xe-space-2);min-height:var(--xe-space-12);padding:0 var(--xe-space-3);border-radius:var(--xe-radius-md);color:var(--xe-text-accent);font-family:var(--xe-font-body);font-size:var(--xe-text-base);cursor:pointer;background:0 0;border:none;font-weight:600;display:inline-flex}.scan-filter-row{gap:var(--xe-space-2);flex-wrap:wrap;display:flex}.scan-filter-btn{border:var(--xe-border-width) solid var(--xe-border-muted);border-radius:var(--xe-radius-md);background:var(--xe-surface-page);color:var(--xe-text-secondary);font-family:var(--xe-font-body);font-size:var(--xe-text-base);padding:var(--xe-space-2) var(--xe-space-3);min-height:var(--xe-space-12);cursor:pointer;transition:var(--xe-transition-colors);flex:1;font-weight:600}.scan-filter-btn:hover{border-color:var(--xe-text-primary)}.scan-filter-btn.is-active{background:var(--xe-text-primary);border-color:var(--xe-text-primary);color:var(--xe-text-inverse)}.scan-apply-all{min-height:var(--xe-space-12);border-top:none;cursor:pointer;background:0 0;border-inline:none;justify-self:start}@media (width>=860px){.scan-review{max-width:var(--xe-container-sm);border-left:var(--xe-border-width) solid var(--xe-border-subtle);border-right:var(--xe-border-width) solid var(--xe-border-subtle);margin:0 auto}}.scan-done{place-content:center;justify-items:center;gap:var(--xe-space-3);padding:var(--xe-space-10) var(--xe-gutter);text-align:center;color:var(--xe-success-fg);flex:1;display:grid}.scan-done h1{font-family:var(--xe-font-display);font-size:var(--xe-text-2xl);color:var(--xe-text-primary);font-weight:600}.scan-done p{font-size:var(--xe-text-base);color:var(--xe-text-muted);line-height:var(--xe-leading-relaxed);max-width:40ch}.scan-handoff{width:100%;max-width:var(--xe-container-lg);padding:var(--xe-space-8) var(--xe-gutter) var(--xe-space-12);flex:1;margin:0 auto}.scan-eyebrow{align-items:center;gap:var(--xe-space-2);font-family:var(--xe-font-body);font-size:var(--xe-text-xs);color:var(--xe-text-accent);margin-bottom:var(--xe-space-2);font-weight:700;display:inline-flex}.scan-handoff-head h1{font-family:var(--xe-font-display);font-size:var(--xe-text-3xl);font-variation-settings:"wdth" 112.5;font-weight:600;line-height:var(--xe-leading-tight);margin-bottom:var(--xe-space-2)}.scan-handoff-head p{font-size:var(--xe-text-base);color:var(--xe-text-muted);line-height:var(--xe-leading-relaxed);max-width:56ch}.scan-handoff-grid{margin-top:var(--xe-space-7);gap:var(--xe-space-5);grid-template-columns:minmax(0,20rem) minmax(0,1fr);align-items:start;display:grid}@media (width<=860px){.scan-handoff-grid{grid-template-columns:1fr}}.scan-qr-panel,.scan-status-panel{border:var(--xe-border-width) solid var(--xe-border-subtle);border-radius:var(--xe-radius-lg);background:var(--xe-surface-card);box-shadow:var(--xe-shadow-none);padding:var(--xe-space-5)}.scan-qr-panel{justify-items:center;gap:var(--xe-space-3);color:var(--xe-text-primary);display:grid}.scan-qr-caption{font-size:var(--xe-text-xs);color:var(--xe-text-muted)}.scan-qr-link{font-family:var(--xe-font-mono);font-size:var(--xe-text-xs);color:var(--xe-text-secondary);word-break:break-all;text-align:center;background:var(--xe-surface-sunken);border:var(--xe-border-width) solid var(--xe-border-subtle);border-radius:var(--xe-radius-md);padding:var(--xe-space-2);width:100%}.scan-qr-empty{justify-items:center;gap:var(--xe-space-3);font-size:var(--xe-text-base);color:var(--xe-text-muted);text-align:center;align-content:center;min-height:14rem;display:grid}.scan-status-panel{gap:var(--xe-space-4);display:grid}.scan-status{align-items:center;gap:var(--xe-space-2);font-family:var(--xe-font-body);font-size:var(--xe-text-base);color:var(--xe-text-secondary);font-weight:600;display:flex}.scan-status.is-complete{color:var(--xe-success-fg)}.scan-pulse{width:var(--xe-space-2-5);height:var(--xe-space-2-5);background:var(--xe-accent);animation:scan-pulse var(--xe-duration-skeleton) var(--xe-ease-standard) infinite}@keyframes scan-pulse{0%,to{opacity:1}50%{opacity:.2}}@media (prefers-reduced-motion:reduce){.scan-pulse{animation:none}}.scan-received{gap:var(--xe-space-2);grid-template-columns:repeat(auto-fill,minmax(5.5rem,1fr));list-style:none;display:grid}.scan-received li{line-height:0;position:relative}.scan-received img{border:var(--xe-border-width) solid var(--xe-border-subtle);border-radius:var(--xe-radius-md);background:var(--xe-surface-page);width:100%}.scan-received span{background:var(--xe-text-primary);color:var(--xe-text-inverse);font-family:var(--xe-font-mono);font-size:var(--xe-text-3xs);padding:var(--xe-space-1) var(--xe-space-1-5);line-height:1;position:absolute;top:0;left:0}.scan-received-empty{font-size:var(--xe-text-base);color:var(--xe-text-muted);border:var(--xe-border-width) dashed var(--xe-border-muted);border-radius:var(--xe-radius-lg);padding:var(--xe-space-6) var(--xe-space-4);text-align:center}.tests-head{margin-bottom:var(--xe-space-7)}.tests-head h1{font-family:var(--xe-font-display);font-size:var(--xe-text-2xl);font-weight:var(--xe-weight-semibold);font-variation-settings:var(--xe-font-width-display);margin-bottom:var(--xe-space-1)}.tests-head p{font-size:var(--xe-text-base);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted)}.tests-subject{margin-bottom:var(--xe-space-10)}.tests-subject-head{align-items:baseline;gap:var(--xe-space-2);font-family:var(--xe-font-display);font-size:var(--xe-text-lg);font-weight:var(--xe-weight-semibold);font-variation-settings:var(--xe-font-width-display);padding-bottom:var(--xe-space-2);margin-bottom:var(--xe-space-5);border-bottom:var(--xe-border-width) solid var(--xe-border-strong);display:flex}.tests-subject-count{font-family:var(--xe-font-body);font-size:var(--xe-text-xs);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted);margin-left:auto}.tests-msg{font-size:var(--xe-text-base);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted);padding:var(--xe-space-4) 0}.tests-err{font-size:var(--xe-text-base);color:var(--xe-danger-fg)}.upload-body{gap:var(--xe-space-3);min-height:0;padding:var(--exam-pad);flex-direction:column;flex:1;display:flex}.drop-zone{border:2px dashed var(--xe-border-strong);border-radius:var(--xe-radius-lg);background:var(--xe-surface-card);min-height:0;padding:var(--xe-space-6);text-align:center;cursor:pointer;transition:var(--xe-transition-colors);flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:auto}.drop-zone:hover,.drop-zone.drag{border-color:var(--xe-border-strong);background:var(--xe-surface-raised)}.drop-zone.has-file{border-style:solid;border-color:var(--xe-text-primary);box-shadow:var(--xe-shadow-md);cursor:default;padding:var(--xe-space-4);align-items:stretch}.drop-zone.has-file:hover{background:var(--xe-surface-card)}.drop-inner{align-items:center;gap:var(--xe-space-2);flex-direction:column;display:flex}.drop-icon{color:var(--xe-text-muted)}.drop-title{font-family:var(--xe-font-display);font-size:var(--xe-text-lg);font-weight:var(--xe-weight-semibold);font-variation-settings:var(--xe-font-width-display);color:var(--xe-text-primary)}.drop-sub{font-size:var(--xe-text-xs);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted)}.upload-tips{text-align:left;margin-top:var(--xe-space-6);padding-left:var(--xe-space-5);gap:var(--xe-space-2);max-width:var(--xe-container-md);flex-direction:column;list-style:square;display:flex}.upload-tips li{font-size:var(--xe-text-base);font-weight:var(--xe-weight-regular);line-height:var(--xe-leading-snug);color:var(--xe-text-secondary)}.preview-item{gap:var(--xe-space-3);flex-direction:column;width:100%;min-height:0;display:flex}.preview-item img{object-fit:contain;flex:1;width:100%;min-height:0}.pdf-placeholder{justify-content:center;align-items:center;gap:var(--xe-space-2);background:var(--xe-surface-raised);border:var(--xe-border-width) solid var(--xe-border-subtle);border-radius:var(--xe-radius-md);flex-direction:column;flex:1;display:flex}.pdf-placeholder-name{font-size:var(--xe-text-base);font-weight:var(--xe-weight-regular);color:var(--xe-text-primary)}.pdf-placeholder-label{font-family:var(--xe-font-body);font-size:var(--xe-text-2xl);font-weight:var(--xe-weight-semibold);color:var(--xe-text-muted)}.preview-foot{justify-content:space-between;align-items:center;gap:var(--xe-space-3);flex-wrap:wrap;flex-shrink:0;display:flex}.pg-label{font-size:var(--xe-text-xs);font-weight:var(--xe-weight-regular);color:var(--xe-text-muted)}.rm-btn{min-height:var(--xe-space-10);padding:var(--xe-space-2) var(--xe-space-3);border-radius:var(--xe-radius-md);font-family:var(--xe-font-body);font-size:var(--xe-text-base);color:var(--xe-text-accent);cursor:pointer;text-underline-offset:var(--xe-space-0-5);background:0 0;border:none;text-decoration:underline}.rm-btn:hover{color:var(--xe-text-primary)}.upload-error{font-size:var(--xe-text-base);color:var(--xe-danger-fg);flex-shrink:0}@media (width<=600px){.upload-tips{margin-top:var(--xe-space-4)}.upload-tips li{font-size:var(--xe-text-xs)}.drop-title{font-size:var(--xe-text-md)}}@media (height<=500px) and (orientation:landscape){.upload-tips{display:none}}