*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.isolate{isolation:isolate}.block{display:block}.inline-block{display:inline-block}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.contents{display:contents}.hidden{display:none}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.border{border-width:1px}.bg-gray-50{--tw-bg-opacity: 1;background-color:rgb(249 250 251 / var(--tw-bg-opacity, 1))}.uppercase{text-transform:uppercase}.text-gray-900{--tw-text-opacity: 1;color:rgb(17 24 39 / var(--tw-text-opacity, 1))}.underline{text-decoration-line:underline}.line-through{text-decoration-line:line-through}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.outline{outline-style:solid}.blur{--tw-blur: blur(8px);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}.ease-out{transition-timing-function:cubic-bezier(0,0,.2,1)}:root{--cb-dark: #333333;--cb-border: #e0e0e0;--cb-blue: #005a9c;--cb-blue-hover: #004070;--cb-light-gray: #f4f5f7;--bar-blue: #00609c;--bar-gray: #e6e9ed;--correct: #2e7d32;--incorrect: #d32f2f}*{box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:#f8fafc;color:#1a1a1a;min-height:100vh}.top-utility-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 24px;background:#fafbfc;border-bottom:1px solid var(--cb-border);flex-wrap:wrap;gap:10px}.utility-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.timer-display{font-family:monospace;font-size:1.15rem;font-weight:700;background:#e8ecf2;padding:6px 14px;border-radius:4px;letter-spacing:1px}.btn{padding:6px 13px;font-size:.85rem;font-weight:600;border-radius:4px;cursor:pointer;border:1px solid #ccc;background:#fff;transition:all .15s ease-in-out;display:inline-flex;align-items:center;gap:6px}.btn:hover{background:#f0f0f0}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--cb-blue);color:#fff;border-color:var(--cb-blue)}.btn-primary:hover:not(:disabled){background:var(--cb-blue-hover)}.btn-danger{background:#ffebee;color:var(--incorrect);border-color:#ffcdd2}.btn-danger:hover{background:#ffcdd2}.btn-backup{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.btn-backup:hover{background:#dcfce7}.cb-meta-table{width:100%;border-collapse:collapse;border-bottom:1px solid var(--cb-border)}.cb-meta-table th{background-color:var(--cb-dark);color:#fff;text-align:left;font-weight:700;font-size:.92rem;padding:11px 24px;border-right:1px solid #4a4a4a}.cb-meta-table th:last-child{border-right:none}.cb-meta-table td{background-color:#fff;color:#1a1a1a;font-size:.95rem;padding:12px 24px;border-right:1px solid var(--cb-border);border-bottom:2px solid var(--cb-border)}.cb-meta-table td:last-child{border-right:none}.diff-bars{display:flex;gap:5px;align-items:center;margin-top:2px}.diff-bar{width:32px;height:8px;border-radius:2px;background-color:var(--bar-gray)}.diff-bar.active{background-color:var(--bar-blue)}.workspace{display:flex;flex:1;min-height:520px;background-color:#fff}.left-pane{flex:1;padding:34px 44px;border-right:1.5px solid var(--cb-border);font-family:Georgia,serif;line-height:1.75;font-size:1.06rem;overflow-y:auto}.left-pane .section-header{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:700;font-size:1.15rem;margin-bottom:12px;color:#111}.left-pane .diff-text{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:700;font-size:1rem;margin-bottom:26px;color:#444}.passage-body{margin-bottom:26px;color:#222}.blank-space{display:inline-block;min-width:65px;border-bottom:2px solid #000;margin:0 4px;vertical-align:bottom;font-weight:600;color:var(--cb-blue);text-align:center}.prompt-text{margin-top:24px;font-style:italic;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.right-pane{flex:1;padding:34px 44px;background-color:#fff;overflow-y:auto}.right-pane .answer-title{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:1.15rem;font-weight:700;margin-bottom:24px}.choices-container{display:flex;flex-direction:column;gap:16px}.choice-item{display:flex;align-items:flex-start;gap:14px;padding:12px 16px;border:1px solid #dcdcdc;border-radius:6px;cursor:pointer;font-size:1rem;line-height:1.4;transition:background .15s,border-color .15s}.choice-item:hover{background-color:#f8fafd;border-color:#b0c8e4}.choice-item.selected{background-color:#edf4fc;border-color:var(--cb-blue)}.choice-item input[type=radio]{margin-top:3px;cursor:pointer}.choice-item.correct-revealed{background-color:#e8f5e9!important;border-color:var(--correct)!important;font-weight:600}.choice-item.incorrect-revealed{background-color:#ffebee!important;border-color:var(--incorrect)!important}.rationale-container{margin-top:26px;padding:18px 22px;background:#f7f9fa;border-left:4px solid var(--cb-blue);border-radius:2px;font-size:.95rem;line-height:1.6}.rationale-title{font-weight:700;margin-bottom:6px}.footer-bar{display:flex;justify-content:space-between;align-items:center;padding:14px 34px;border-top:1px solid var(--cb-border);background-color:#fff}.qid-indicator{font-size:.9rem;color:#666;font-weight:500}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-window{background:#fff;width:90%;max-width:900px;max-height:85vh;border-radius:8px;box-shadow:0 4px 20px #0003;display:flex;flex-direction:column}.modal-header{padding:16px 24px;border-bottom:1px solid var(--cb-border);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:20px 24px;overflow-y:auto;flex:1}.error-card{border:1px solid #e0e0e0;border-radius:6px;padding:14px 18px;margin-bottom:14px;background:#fff}.error-card-header{display:flex;justify-content:space-between;font-size:.9rem;font-weight:700;color:#555;margin-bottom:8px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f5f9}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}mark.sat-hl,mark.sat-hl-yellow,mark.sat-hl-pink{font-family:inherit!important;font-size:inherit!important;font-weight:inherit!important;line-height:inherit!important;font-style:inherit!important;letter-spacing:inherit!important;border-radius:3px;padding:1px 2px;cursor:pointer;transition:background-color .15s ease-in-out}mark.sat-hl-yellow{background-color:#fef08a!important;color:#111827!important}mark.sat-hl-yellow:hover{background-color:#fde047!important}mark.sat-hl-pink{background-color:#fbcfe8!important;color:#111827!important}mark.sat-hl-pink:hover{background-color:#f472b6!important}.selection\:bg-blue-100 *::-moz-selection{--tw-bg-opacity: 1;background-color:rgb(219 234 254 / var(--tw-bg-opacity, 1))}.selection\:bg-blue-100 *::selection{--tw-bg-opacity: 1;background-color:rgb(219 234 254 / var(--tw-bg-opacity, 1))}.selection\:text-blue-900 *::-moz-selection{--tw-text-opacity: 1;color:rgb(30 58 138 / var(--tw-text-opacity, 1))}.selection\:text-blue-900 *::selection{--tw-text-opacity: 1;color:rgb(30 58 138 / var(--tw-text-opacity, 1))}.selection\:bg-blue-100::-moz-selection{--tw-bg-opacity: 1;background-color:rgb(219 234 254 / var(--tw-bg-opacity, 1))}.selection\:bg-blue-100::selection{--tw-bg-opacity: 1;background-color:rgb(219 234 254 / var(--tw-bg-opacity, 1))}.selection\:text-blue-900::-moz-selection{--tw-text-opacity: 1;color:rgb(30 58 138 / var(--tw-text-opacity, 1))}.selection\:text-blue-900::selection{--tw-text-opacity: 1;color:rgb(30 58 138 / var(--tw-text-opacity, 1))}