:root{--bg-base:#efece6;--bg-surface:#f9f8f6;--bg-panel:#f9f8f6;--text-primary:#1a1918;--text-secondary:#5f5e5b;--text-muted:#9e9c98;--accent-primary:#d34127;--accent-hover:#ab311b;--success:#2d8a4e;--border-light:#d5d2cc;--border-dark:#1a1918;--font-heading:"Instrument Serif", serif;--font-body:"Inter", sans-serif;--sidebar-width:240px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");min-height:100vh;line-height:1.5;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-primary);font-weight:400;line-height:1.1}a{color:inherit;text-decoration:none}.glass-panel{background:var(--bg-panel);border:1px solid var(--border-dark);box-shadow:4px 4px 0px 0px var(--border-dark);border-radius:0;transition:all .2s ease-out}.btn{letter-spacing:.02em;text-transform:uppercase;cursor:pointer;border:1px solid var(--border-dark);font-size:.95rem;font-weight:500;font-family:var(--font-body);border-radius:0;justify-content:center;align-items:center;gap:8px;padding:14px 28px;transition:all .2s ease-out;display:inline-flex}.btn-primary{background:var(--accent-primary);color:#fff;border-color:var(--border-dark);box-shadow:4px 4px 0px 0px var(--border-dark)}.btn-primary:hover{background:var(--accent-hover);box-shadow:2px 2px 0px 0px var(--border-dark);transform:translate(2px,2px)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);box-shadow:4px 4px 0px 0px var(--border-dark)}.btn-secondary:hover{background:var(--bg-base);box-shadow:2px 2px 0px 0px var(--border-dark);transform:translate(2px,2px)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-base);border-left:1px solid var(--border-light)}::-webkit-scrollbar-thumb{background:var(--border-dark)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes spin{to{transform:rotate(360deg)}}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.text-truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.text-clamp-2{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.word-break{word-break:break-word;overflow-wrap:break-word}@media (width<=768px){:root{--sidebar-width:0px}}.btn:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;pointer-events:none}.tutor-markdown p{margin-bottom:12px;line-height:1.7}.tutor-markdown p:last-child{margin-bottom:0}.tutor-markdown strong{font-weight:600}.tutor-markdown em{font-style:italic}.tutor-markdown ul,.tutor-markdown ol{margin:8px 0 12px 20px;line-height:1.7}.tutor-markdown li{margin-bottom:4px}.tutor-markdown h1,.tutor-markdown h2,.tutor-markdown h3{font-family:var(--font-heading);margin-top:20px;margin-bottom:8px}.tutor-markdown h1{font-size:1.4rem}.tutor-markdown h2{font-size:1.2rem}.tutor-markdown h3{font-size:1.05rem}.tutor-markdown code{background:#0000000f;border-radius:2px;padding:2px 6px;font-family:SF Mono,Fira Code,monospace;font-size:.9em}.tutor-markdown pre{background:#0000000f;margin:12px 0;padding:16px;font-size:.85rem;line-height:1.5;overflow-x:auto}.tutor-markdown pre code{background:0 0;padding:0}.tutor-markdown blockquote{border-left:3px solid var(--accent-primary);color:var(--text-secondary);margin:12px 0;padding:8px 16px;font-style:italic}.tutor-markdown table{border-collapse:collapse;width:100%;margin:12px 0;font-size:.9rem}.tutor-markdown th,.tutor-markdown td{border:1px solid var(--border-light);text-align:left;padding:8px 12px}.tutor-markdown th{background:var(--bg-base);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:600}.tutor-markdown hr{border:none;border-top:1px solid var(--border-light);margin:16px 0}:root{--react-pdf-annotation-layer:1;--annotation-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>");--input-focus-border-color:Highlight;--input-focus-outline:1px solid Canvas;--input-unfocused-border-color:transparent;--input-disabled-border-color:transparent;--input-hover-border-color:black;--link-outline:none}@media screen and (forced-colors:active){:root{--input-focus-border-color:CanvasText;--input-unfocused-border-color:ActiveText;--input-disabled-border-color:GrayText;--input-hover-border-color:Highlight;--link-outline:1.5px solid LinkText}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid selecteditem}.annotationLayer .linkAnnotation:hover{-webkit-backdrop-filter:invert();backdrop-filter:invert()}}.annotationLayer{pointer-events:none;transform-origin:0 0;z-index:3;position:absolute;top:0;left:0}.annotationLayer[data-main-rotation="90"] .norotate{transform:rotate(270deg)translate(-100%)}.annotationLayer[data-main-rotation="180"] .norotate{transform:rotate(180deg)translate(-100%,-100%)}.annotationLayer[data-main-rotation="270"] .norotate{transform:rotate(90deg)translateY(-100%)}.annotationLayer canvas{width:100%;height:100%;position:absolute}.annotationLayer section{text-align:initial;pointer-events:auto;box-sizing:border-box;transform-origin:0 0;margin:0;position:absolute}.annotationLayer .linkAnnotation{outline:var(--link-outline)}.textLayer.selecting~.annotationLayer section{pointer-events:none}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a{width:100%;height:100%;font-size:1em;position:absolute;top:0;left:0}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a:hover{opacity:.2;background:#ff0;box-shadow:0 2px 10px #ff0}.annotationLayer .textAnnotation img{cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.annotationLayer .textWidgetAnnotation :is(input,textarea),.annotationLayer .choiceWidgetAnnotation select,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{background-image:var(--annotation-unfocused-field-background);border:2px solid var(--input-unfocused-border-color);box-sizing:border-box;font:calc(9px * var(--scale-factor)) sans-serif;vertical-align:top;width:100%;height:100%;margin:0}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid red}.annotationLayer .choiceWidgetAnnotation select option{padding:0}.annotationLayer .buttonWidgetAnnotation.radioButton input{border-radius:50%}.annotationLayer .textWidgetAnnotation textarea{resize:none}.annotationLayer .textWidgetAnnotation :is(input,textarea)[disabled],.annotationLayer .choiceWidgetAnnotation select[disabled],.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input[disabled]{border:2px solid var(--input-disabled-border-color);cursor:not-allowed;background:0 0}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:hover{border:2px solid var(--input-hover-border-color)}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation.checkBox input:hover{border-radius:2px}.annotationLayer .textWidgetAnnotation :is(input,textarea):focus,.annotationLayer .choiceWidgetAnnotation select:focus{border:2px solid var(--input-focus-border-color);outline:var(--input-focus-outline);background:0 0;border-radius:2px}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) :focus{background-color:#0000;background-image:none}.annotationLayer .buttonWidgetAnnotation.checkBox :focus{border:2px solid var(--input-focus-border-color);outline:var(--input-focus-outline);border-radius:2px}.annotationLayer .buttonWidgetAnnotation.radioButton :focus{border:2px solid var(--input-focus-border-color);outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after,.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{content:"";background-color:canvastext;display:block;position:absolute}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{width:1px;height:80%;left:45%}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before{transform:rotate(45deg)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{transform:rotate(-45deg)}.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{border-radius:50%;width:50%;height:50%;top:20%;left:30%}.annotationLayer .textWidgetAnnotation input.comb{padding-left:2px;padding-right:0;font-family:monospace}.annotationLayer .textWidgetAnnotation input.comb:focus{width:103%}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{appearance:none}.annotationLayer .popupTriggerArea{width:100%;height:100%}.annotationLayer .fileAttachmentAnnotation .popupTriggerArea{position:absolute}.annotationLayer .popupWrapper{font-size:calc(9px * var(--scale-factor));width:100%;min-width:calc(180px * var(--scale-factor));pointer-events:none;position:absolute}.annotationLayer .popup{max-width:calc(180px * var(--scale-factor));box-shadow:0 calc(2px * var(--scale-factor)) calc(5px * var(--scale-factor)) #888;border-radius:calc(2px * var(--scale-factor));padding:calc(6px * var(--scale-factor));margin-left:calc(5px * var(--scale-factor));cursor:pointer;font:message-box;white-space:normal;word-wrap:break-word;pointer-events:auto;background-color:#ff9;position:absolute}.annotationLayer .popup>*{font-size:calc(9px * var(--scale-factor))}.annotationLayer .popup h1{display:inline-block}.annotationLayer .popupDate{margin-left:calc(5px * var(--scale-factor));display:inline-block}.annotationLayer .popupContent{margin-top:calc(2px * var(--scale-factor));padding-top:calc(2px * var(--scale-factor));border-top:1px solid #333}.annotationLayer .richText>*{white-space:pre-wrap;font-size:calc(9px * var(--scale-factor))}.annotationLayer .highlightAnnotation,.annotationLayer .underlineAnnotation,.annotationLayer .squigglyAnnotation,.annotationLayer .strikeoutAnnotation,.annotationLayer .freeTextAnnotation,.annotationLayer .lineAnnotation svg line,.annotationLayer .squareAnnotation svg rect,.annotationLayer .circleAnnotation svg ellipse,.annotationLayer .polylineAnnotation svg polyline,.annotationLayer .polygonAnnotation svg polygon,.annotationLayer .caretAnnotation,.annotationLayer .inkAnnotation svg polyline,.annotationLayer .stampAnnotation,.annotationLayer .fileAttachmentAnnotation{cursor:pointer}.annotationLayer section svg{width:100%;height:100%;position:absolute;top:0;left:0}.annotationLayer .annotationTextContent{opacity:0;color:#0000;-webkit-user-select:none;user-select:none;pointer-events:none;width:100%;height:100%;position:absolute}.annotationLayer .annotationTextContent span{width:100%;display:inline-block}:root{--react-pdf-text-layer:1;--highlight-bg-color:#b400aa;--highlight-selected-bg-color:#006400}@media screen and (forced-colors:active){:root{--highlight-bg-color:Highlight;--highlight-selected-bg-color:ButtonText}}[data-main-rotation="90"]{transform:rotate(90deg)translateY(-100%)}[data-main-rotation="180"]{transform:rotate(180deg)translate(-100%,-100%)}[data-main-rotation="270"]{transform:rotate(270deg)translate(-100%)}.textLayer{text-align:initial;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:2;line-height:1;position:absolute;inset:0;overflow:hidden}.textLayer :is(span,br){color:#0000;white-space:pre;cursor:text;transform-origin:0 0;margin:0;position:absolute}.textLayer span.markedContent{height:0;top:0}.textLayer .highlight{background-color:var(--highlight-bg-color);border-radius:4px;margin:-1px;padding:1px}.textLayer .highlight.appended{position:initial}.textLayer .highlight.begin{border-radius:4px 0 0 4px}.textLayer .highlight.end{border-radius:0 4px 4px 0}.textLayer .highlight.middle{border-radius:0}.textLayer .highlight.selected{background-color:var(--highlight-selected-bg-color)}.textLayer br::selection{background:0 0}.textLayer .endOfContent{z-index:-1;cursor:default;-webkit-user-select:none;user-select:none;display:block;position:absolute;inset:100% 0 0}.textLayer.selecting .endOfContent{top:0}.hiddenCanvasElement{width:0;height:0;display:none;position:absolute;top:0;left:0}