div,p{white-space:pre-line}.help-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.help-header{max-width:1000px;margin:0 auto 30px;display:flex;align-items:center;gap:20px}.back-button{background:#fff3;border:2px solid rgba(255,255,255,.3);color:#fff;padding:10px 20px;border-radius:10px;cursor:pointer;font-size:16px;font-weight:500;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.back-button:hover{background:#ffffff4d;border-color:#ffffff80;transform:translateY(-2px)}.help-title{color:#fff;font-size:2.5rem;font-weight:700;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.3)}.help-content{max-width:1000px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 20px 40px #0000001a;overflow:hidden}.help-section{padding:40px 40px 30px;border-bottom:1px solid #f1f5f9}.help-section:last-child{border-bottom:none}.help-section h2{color:#1e293b;font-size:1.8rem;font-weight:700;margin-bottom:20px;padding-bottom:10px;border-bottom:3px solid #6366f1;display:inline-block}.help-section p{color:#475569;font-size:1.1rem;line-height:1.7;margin-bottom:20px}.step-card{background:#f8fafc;border:2px solid #e2e8f0;border-radius:15px;padding:25px;margin-bottom:20px;transition:all .3s ease}.step-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #6366f11a;border-color:#6366f1}.step-card h3{color:#6366f1;font-size:1.3rem;font-weight:600;margin-bottom:15px;display:flex;align-items:center;gap:10px}.step-card ul{margin:0;padding-left:20px}.step-card li{color:#374151;font-size:1rem;line-height:1.6;margin-bottom:8px}.step-card li strong{color:#1f2937;font-weight:600}.step-card ul ul{margin-top:8px;padding-left:20px}.step-card ul ul li{font-size:.95rem;color:#6b7280}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:20px;margin-top:20px}.tip-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:15px;padding:25px;transition:all .3s ease}.tip-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #667eea4d}.tip-card h4{font-size:1.2rem;font-weight:600;margin-bottom:15px;color:#fff}.tip-card ul{margin:0;padding-left:20px}.tip-card li{font-size:.95rem;line-height:1.6;margin-bottom:8px;color:#ffffffe6}.tip-card strong{color:#fff;font-weight:600}.warning-box{background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #f59e0b;border-radius:15px;padding:25px;margin-top:20px}.warning-box ul{margin:0;padding-left:20px}.warning-box li{color:#92400e;font-size:1rem;line-height:1.6;margin-bottom:10px;font-weight:500}.warning-box strong{color:#78350f;font-weight:700}.help-footer{max-width:1000px;margin:30px auto 0;text-align:center}.primary-button{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;padding:15px 30px;border-radius:12px;cursor:pointer;font-size:1.1rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #6366f14d;text-decoration:none;display:inline-block}.primary-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px #6366f166;background:linear-gradient(135deg,#5b5bf6,#7c3aed)}.primary-button.large{padding:18px 40px;font-size:1.2rem}@media (max-width: 768px){.help-container{padding:15px}.help-title{font-size:2rem}.help-content{border-radius:15px}.help-section{padding:30px 25px 20px}.help-section h2{font-size:1.5rem}.tips-grid{grid-template-columns:1fr}.tip-card,.step-card{padding:20px}.back-button{padding:8px 16px;font-size:14px}}@media (max-width: 480px){.help-header{flex-direction:column;align-items:flex-start;gap:15px}.help-title{font-size:1.8rem}.help-section{padding:25px 20px 15px}.step-card,.tip-card{padding:18px}}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-container-width: fit-content;--toastify-toast-width: 320px;--toastify-toast-offset: 16px;--toastify-toast-top: max(var(--toastify-toast-offset), env(safe-area-inset-top));--toastify-toast-right: max(var(--toastify-toast-offset), env(safe-area-inset-right));--toastify-toast-left: max(var(--toastify-toast-offset), env(safe-area-inset-left));--toastify-toast-bottom: max(var(--toastify-toast-offset), env(safe-area-inset-bottom));--toastify-toast-background: #fff;--toastify-toast-padding: 14px;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-toast-shadow: 0px 4px 12px rgba(0, 0, 0, .1);--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient(to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55);--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: .2}.Toastify__toast-container{z-index:var(--toastify-z-index);-webkit-transform:translate3d(0,0,var(--toastify-z-index));position:fixed;width:var(--toastify-container-width);box-sizing:border-box;color:#fff;display:flex;flex-direction:column}.Toastify__toast-container--top-left{top:var(--toastify-toast-top);left:var(--toastify-toast-left)}.Toastify__toast-container--top-center{top:var(--toastify-toast-top);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right);align-items:end}.Toastify__toast-container--bottom-left{bottom:var(--toastify-toast-bottom);left:var(--toastify-toast-left)}.Toastify__toast-container--bottom-center{bottom:var(--toastify-toast-bottom);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right);align-items:end}.Toastify__toast{--y: 0;position:relative;touch-action:none;width:var(--toastify-toast-width);min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:var(--toastify-toast-padding);border-radius:var(--toastify-toast-bd-radius);box-shadow:var(--toastify-toast-shadow);max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);z-index:0;display:flex;flex:1 auto;align-items:center;word-break:break-word}@media only screen and (max-width: 480px){.Toastify__toast-container{width:100vw;left:env(safe-area-inset-left);margin:0}.Toastify__toast-container--top-left,.Toastify__toast-container--top-center,.Toastify__toast-container--top-right{top:env(safe-area-inset-top);transform:translate(0)}.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-right{bottom:env(safe-area-inset-bottom);transform:translate(0)}.Toastify__toast-container--rtl{right:env(safe-area-inset-right);left:initial}.Toastify__toast{--toastify-toast-width: 100%;margin-bottom:0;border-radius:0}}.Toastify__toast-container[data-stacked=true]{width:var(--toastify-toast-width)}.Toastify__toast--stacked{position:absolute;width:100%;transform:translate3d(0,var(--y),0) scale(var(--s));transition:transform .3s}.Toastify__toast--stacked[data-collapsed] .Toastify__toast-body,.Toastify__toast--stacked[data-collapsed] .Toastify__close-button{transition:opacity .1s}.Toastify__toast--stacked[data-collapsed=false]{overflow:visible}.Toastify__toast--stacked[data-collapsed=true]:not(:last-child)>*{opacity:0}.Toastify__toast--stacked:after{content:"";position:absolute;left:0;right:0;height:calc(var(--g) * 1px);bottom:100%}.Toastify__toast--stacked[data-pos=top]{top:0}.Toastify__toast--stacked[data-pos=bot]{bottom:0}.Toastify__toast--stacked[data-pos=bot].Toastify__toast--stacked:before{transform-origin:top}.Toastify__toast--stacked[data-pos=top].Toastify__toast--stacked:before{transform-origin:bottom}.Toastify__toast--stacked:before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;transform:scaleY(3);z-index:-1}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-icon{margin-inline-end:10px;width:22px;flex-shrink:0;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}.Toastify__toast-theme--dark{background:var(--toastify-color-dark);color:var(--toastify-text-color-dark)}.Toastify__toast-theme--light,.Toastify__toast-theme--colored.Toastify__toast--default{background:var(--toastify-color-light);color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{color:var(--toastify-text-color-info);background:var(--toastify-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{color:var(--toastify-text-color-success);background:var(--toastify-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{color:var(--toastify-text-color-warning);background:var(--toastify-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{color:var(--toastify-text-color-error);background:var(--toastify-color-error)}.Toastify__progress-bar-theme--light{background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error{background:var(--toastify-color-transparent)}.Toastify__close-button{color:#fff;position:absolute;top:6px;right:6px;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;z-index:1}.Toastify__toast--rtl .Toastify__close-button{left:6px;right:unset}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:hover,.Toastify__close-button:focus{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{position:absolute;bottom:0;left:0;width:100%;height:100%;z-index:1;opacity:.7;transform-origin:left}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{right:0;left:initial;transform-origin:right;border-bottom-left-radius:initial}.Toastify__progress-bar--wrp{position:absolute;overflow:hidden;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius);border-bottom-right-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp[data-hidden=true]{opacity:0}.Toastify__progress-bar--bg{opacity:var(--toastify-color-progress-bgo);width:100%;height:100%}.Toastify__spinner{width:20px;height:20px;box-sizing:border-box;border:2px solid;border-radius:100%;border-color:var(--toastify-spinner-color-empty-area);border-right-color:var(--toastify-spinner-color);animation:Toastify__spin .65s linear infinite}@keyframes Toastify__bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(3000px,0,0)}60%{opacity:1;transform:translate3d(-25px,0,0)}75%{transform:translate3d(10px,0,0)}90%{transform:translate3d(-5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutRight{20%{opacity:1;transform:translate3d(-20px,var(--y),0)}to{opacity:0;transform:translate3d(2000px,var(--y),0)}}@keyframes Toastify__bounceInLeft{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(-3000px,0,0)}60%{opacity:1;transform:translate3d(25px,0,0)}75%{transform:translate3d(-10px,0,0)}90%{transform:translate3d(5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutLeft{20%{opacity:1;transform:translate3d(20px,var(--y),0)}to{opacity:0;transform:translate3d(-2000px,var(--y),0)}}@keyframes Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--top-left,.Toastify__bounce-enter--bottom-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--top-right,.Toastify__bounce-enter--bottom-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--top-left,.Toastify__bounce-exit--bottom-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--top-right,.Toastify__bounce-exit--bottom-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:translate3d(0,var(--y),0) scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{transform:perspective(400px) rotateX(90deg);animation-timing-function:ease-in;opacity:0}40%{transform:perspective(400px) rotateX(-20deg);animation-timing-function:ease-in}60%{transform:perspective(400px) rotateX(10deg);opacity:1}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:translate3d(0,var(--y),0) perspective(400px)}30%{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(-20deg);opacity:1}to{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(90deg);opacity:0}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideOutRight{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(110%,var(--y),0)}}@keyframes Toastify__slideOutLeft{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(-110%,var(--y),0)}}@keyframes Toastify__slideOutDown{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,500px,0)}}@keyframes Toastify__slideOutUp{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,-500px,0)}}.Toastify__slide-enter--top-left,.Toastify__slide-enter--bottom-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--top-right,.Toastify__slide-enter--bottom-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--top-left,.Toastify__slide-exit--bottom-left{animation-name:Toastify__slideOutLeft;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-right,.Toastify__slide-exit--bottom-right{animation-name:Toastify__slideOutRight;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown;animation-timing-function:ease-in;animation-duration:.3s}@keyframes Toastify__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}: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(100%);backdrop-filter:invert(100%)}}.annotationLayer{position:absolute;top:0;left:0;pointer-events:none;transform-origin:0 0;z-index:3}.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{position:absolute;width:100%;height:100%}.annotationLayer section{position:absolute;text-align:initial;pointer-events:auto;box-sizing:border-box;margin:0;transform-origin:0 0}.annotationLayer .linkAnnotation{outline:var(--link-outline)}.textLayer.selecting~.annotationLayer section{pointer-events:none}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a{position:absolute;font-size:1em;top:0;left:0;width:100%;height:100%}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a:hover{opacity:.2;background:#ff0;box-shadow:0 2px 10px #ff0}.annotationLayer .textAnnotation img{position:absolute;cursor:pointer;width:100%;height:100%;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;height:100%;margin:0;vertical-align:top;width:100%}.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]{background:none;border:2px solid var(--input-disabled-border-color);cursor:not-allowed}.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{background:none;border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) :focus{background-image:none;background-color:transparent}.annotationLayer .buttonWidgetAnnotation.checkBox :focus{border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.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{background-color:CanvasText;content:"";display:block;position:absolute}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{height:80%;left:45%;width:1px}.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%;height:50%;left:30%;top:20%;width:50%}.annotationLayer .textWidgetAnnotation input.comb{font-family:monospace;padding-left:2px;padding-right:0}.annotationLayer .textWidgetAnnotation input.comb:focus{width:103%}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{-webkit-appearance:none;-moz-appearance:none;appearance:none}.annotationLayer .popupTriggerArea{height:100%;width:100%}.annotationLayer .fileAttachmentAnnotation .popupTriggerArea{position:absolute}.annotationLayer .popupWrapper{position:absolute;font-size:calc(9px * var(--scale-factor));width:100%;min-width:calc(180px * var(--scale-factor));pointer-events:none}.annotationLayer .popup{position:absolute;max-width:calc(180px * var(--scale-factor));background-color:#ff9;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}.annotationLayer .popup>*{font-size:calc(9px * var(--scale-factor))}.annotationLayer .popup h1{display:inline-block}.annotationLayer .popupDate{display:inline-block;margin-left:calc(5px * var(--scale-factor))}.annotationLayer .popupContent{border-top:1px solid rgba(51,51,51,1);margin-top:calc(2px * var(--scale-factor));padding-top:calc(2px * var(--scale-factor))}.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{position:absolute;width:100%;height:100%;top:0;left:0}.annotationLayer .annotationTextContent{position:absolute;width:100%;height:100%;opacity:0;color:transparent;-webkit-user-select:none;user-select:none;pointer-events:none}.annotationLayer .annotationTextContent span{width:100%;display:inline-block}:root{--react-pdf-text-layer: 1;--highlight-bg-color: rgba(180, 0, 170, 1);--highlight-selected-bg-color: rgba(0, 100, 0, 1)}@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{position:absolute;text-align:initial;top:0;right:0;bottom:0;left:0;overflow:hidden;line-height:1;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:2}.textLayer :is(span,br){color:transparent;position:absolute;white-space:pre;cursor:text;margin:0;transform-origin:0 0}.textLayer span.markedContent{top:0;height:0}.textLayer .highlight{margin:-1px;padding:1px;background-color:var(--highlight-bg-color);border-radius:4px}.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:transparent}.textLayer .endOfContent{display:block;position:absolute;top:100%;right:0;bottom:0;left:0;z-index:-1;cursor:default;-webkit-user-select:none;user-select:none}.textLayer.selecting .endOfContent{top:0}.hiddenCanvasElement{position:absolute;top:0;left:0;width:0;height:0;display:none}.header{background:#fff;box-shadow:0 1px 3px #0000001a;position:relative}.header-inner{max-width:1200px;margin:0 auto;padding:16px;display:flex;justify-content:space-between;align-items:center}.logo-area{display:flex;align-items:center}.logo-area-inner{display:flex;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none}.icon-button{background:none;border:none;font-size:24px;cursor:pointer;margin-right:12px}.logo-link{text-decoration:none}.logo-icon{font-size:28px;color:#6366f1;margin-right:8px}.logo-text{font-size:24px;color:#6366f1;font-weight:700}.auth-buttons button{margin-left:12px}.text-button{background:none;border:none;color:#6366f1;cursor:pointer}.nav-link-area{display:flex;width:fit-content;align-items:center}.sidebar{position:fixed;top:0;left:0;width:256px;height:100%;background:#fff;box-shadow:2px 0 8px #0000001a;transform:translate(-100%);transition:transform .3s ease-in-out;z-index:1000}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:16px}.sidebar nav{width:100%}.sidebar nav a{display:block;padding:12px 16px;color:#374151;text-decoration:none}.sidebar nav a:hover{background:#eef2ff;color:#6366f1}.nav-link{display:block;width:100%;padding:12px 16px;color:#374151;text-decoration:none;background:none;border:none;text-align:left;cursor:pointer;font-size:16px;transition:all .2s ease;box-sizing:border-box}.nav-link:hover{background:#eef2ff;color:#6366f1}.primary-button{background:#6366f1;color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer}.primary-button:hover{background:#4f46e5}.app-container{font-family:sans-serif;background:#f9fafb;min-height:100vh}.main{width:70%;margin:32px auto 0;padding:0 16px}.wait-message{opacity:0;animation:fadeInSlideDown .6s ease-out forwards;margin-top:10px;font-size:14px;color:#666}@keyframes fadeInSlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.upload-section{border:2px dashed #d1d5db;border-radius:8px;padding:40px;text-align:center;transition:background .2s,border-color .2s}.upload-section.dragging{background:#eef2ff;border-color:#6366f1}.upload-icon{font-size:48px;margin-bottom:16px}.upload-button{display:inline-block;background:#6366f1;color:#fff;padding:8px 16px;border-radius:8px;cursor:pointer;position:relative;transition:background-color .2s ease,transform .2s ease}.upload-button:hover{background-color:#8b5cf6;transform:scale(1.02)}.upload-button input[type=file]{position:absolute;opacity:0;top:0;left:0;width:100%;height:100%;cursor:pointer}.upload-section .processing{display:flex;flex-direction:column;align-items:center;padding:2rem}.upload-section .spinner{width:3rem;height:3rem;border:4px solid rgba(0,0,0,.1);border-top-color:#333;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.hint{color:#6b7280}.file-icon{font-size:48px;margin-bottom:16px}.remove-button{margin-top:16px;background:#ef4444;color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer}.options-panel{margin-top:32px}.options-panel h3{font-size:18px;margin-bottom:24px;color:#111827}.segmented-control{display:flex;background:#f3f4f6;border-radius:8px;overflow:hidden;margin:24px 0}.segmented-control button{flex:1;padding:12px 0;border:none;background:transparent;cursor:pointer;font-weight:500;color:#6b7280;transition:background .2s,color .2s}.segmented-control button.active{background:#6366f1;color:#fff}.slider-control{margin:24px 0}.slider-control label{display:block;margin-bottom:12px;font-weight:500;color:#374151}.slider-control input[type=range]{width:100%;height:4px;accent-color:#6366f1}.primary-button.large{background:#6366f1;color:#fff;border:none;padding:16px 32px;border-radius:8px;cursor:pointer;font-size:16px;margin-top:24px}.primary-button.large:disabled{background:#9ca3af;cursor:not-allowed}.secondary-button{background:#fff;border:1px solid #d1d5db;padding:16px 32px;font-size:16px;border-radius:8px;cursor:pointer;margin:24px 0 0 16px}.footer{background:#1f2937;color:#9ca9af;text-align:center;padding:24px 0;margin-top:32px}.footer a{color:#60a5fa;text-decoration:none;font-weight:600;transition:color .2s ease}.footer a:hover{color:#93c5fd;text-decoration:underline}.upload-section:hover{border-color:#8b5cf6}.options-panel{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;padding:24px;margin:32px 0}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.option-item label{display:block;margin-bottom:8px;color:#374151;font-weight:500}.option-item select{width:100%;padding:8px;border:1px solid #d1d5db;border-radius:8px}.count-control .counter{display:flex}.count-control button{background:#e5e7eb;border:none;padding:8px 12px;cursor:pointer}.count-control input{width:60px;text-align:center;border:1px solid #d1d5db}.mode-control .mode-buttons{display:flex}.mode-control button{flex:1;padding:12px 0;border:1px solid #d1d5db;background:#fff;cursor:pointer}.mode-control button:first-child{border-top-left-radius:8px;border-bottom-left-radius:8px}.mode-control button:last-child{border-top-right-radius:8px;border-bottom-right-radius:8px}.mode-control .active{background:#eef2ff;color:#4f46e5;border-color:#a5b4fc}.preview-panel{background:#f9fafb;border-radius:8px;padding:24px;margin-top:24px;border:1px solid #e5e7eb}.preview-panel h3{margin-top:0;margin-bottom:16px}.processing{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:150px}.spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.progress-bar{width:100%;background:#e5e7eb;border-radius:8px;overflow:hidden}.progress-bar div{height:10px;background:#6366f1;transition:width .3s}.placeholder{color:#6b7280;text-align:center;min-height:150px;display:flex;align-items:center;justify-content:center}.action-buttons{display:flex;justify-content:center;align-items:center;margin-top:24px;gap:1rem}.connected-problem{margin-top:24px}.connected-problem h2{font-size:20px;margin-bottom:16px;color:#111827}.problem-card{width:100%;max-width:1200px;background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000001a;display:flex;align-items:center;gap:1.5rem;transition:box-shadow .2s;flex-wrap:wrap}.problem-card:hover{box-shadow:0 4px 12px #0000001a}.problem-icon{font-size:2rem;flex-shrink:0}.problem-details{flex-grow:0}.problem-details h3{margin:0 0 .25rem;font-size:1.1rem;color:#111827}.problem-details p{margin:0;font-size:.9rem;color:#6b7280;display:flex;gap:1rem}.problem-details p span{display:flex;align-items:center;gap:.25rem}.problem-actions{display:flex;gap:.75rem;flex-shrink:0;align-items:center;margin-left:auto}.btn{padding:.5rem 1rem;border-radius:6px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background-color .2s,border-color .2s,color .2s}.btn.cancle{background-color:#fee2e2;color:#dc2626;border-color:#fecaca}.btn.cancle:hover{background-color:#fca5a5;color:#b91c1c}.btn.manage{background-color:#dbeafe;color:#2563eb;border-color:#bfdbfe}.btn.manage:hover{background-color:#93c5fd;color:#1d4ed8}.btn.mapping{background-color:#6366f1;color:#fff}.btn.mapping:hover{background-color:#4f46e5}.btn.change{background-color:#f3f4f6;color:#4b5563;border-color:#d1d5db}.btn.change:hover{background-color:#e5e7eb}.btn:disabled{opacity:.5;cursor:not-allowed}.document-preview{margin-top:32px}.document-preview h2{font-size:20px;margin-bottom:16px;color:#111827}.preview-content{background:#f9fafb;border-radius:8px;padding:2rem;min-height:150px;display:flex;align-items:center;justify-content:center;text-align:center;border:1px solid #e5e7eb}.preview-content p{color:#6b7280;margin:0}.problem-card{flex-wrap:wrap}.problem-icon,.problem-details,.problem-actions{flex-basis:auto}.page-decide{display:flex;align-items:center;gap:16px;margin-top:24px}.page-decide input[type=number]{width:80px;padding:8px 12px;font-size:1rem;border:1px solid #d1d5db;border-radius:8px;text-align:center;transition:border-color .2s,box-shadow .2s}.page-decide input[type=number]:focus{outline:none;border-color:#6366f1;box-shadow:0 0 0 2px #6366f140}.page-decide input[type=number]:disabled{background:#f3f4f6;cursor:not-allowed;color:#9ca3af}.page-decide span{color:#374151;font-weight:500}.page-decide select{padding:8px 12px;font-size:1rem;border:1px solid #d1d5db;border-radius:8px;background-color:#fff;cursor:pointer;transition:border-color .2s,box-shadow .2s}.page-decide select:hover{border-color:#a5b4fc}.page-decide select:focus{outline:2px solid #c7d2fe}.level-selector-row{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1rem}.level-selector-row select{padding:.4rem .8rem;font-size:1rem;border:1px solid #ccc;border-radius:.25rem;background-color:#fff}.level-description{padding:1rem;background-color:#fff;color:#222;border:1px solid #dddddd;border-radius:.5rem;max-height:320px;overflow-y:auto;overflow-x:hidden;white-space:pre-wrap;word-break:keep-all;margin-top:0;margin-bottom:1rem;box-shadow:0 2px 6px #00000014;flex-grow:1}.level-description::-webkit-scrollbar{width:8px}.level-description::-webkit-scrollbar-track{background:#f0f0f0;border-radius:4px}.level-description::-webkit-scrollbar-thumb{background-color:#c2c2c2;border-radius:4px;border:2px solid #f0f0f0}.level-counter-wrapper{width:100%;text-align:center;margin-bottom:1rem}.pdf-preview-container{margin-top:24px;border:1px solid #d1d5db;border-radius:8px;padding:16px}.pdf-preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.pdf-preview-header h4{margin:0;font-size:16px}.pdf-preview-header button{background:#6366f1;color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer}.pdf-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;max-height:400px;overflow-y:auto;padding:5px}.pdf-grid-and-preview-wrapper{position:relative}.pdf-page-item{border:2px solid #e5e7eb;border-radius:4px;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s;position:relative;text-align:center;overflow:hidden}.pdf-page-item:not(.disabled):hover{transform:scale(1.05);box-shadow:0 4px 12px #00000026;z-index:10}.pdf-page-item.hover-active{border-color:#a5b4fc;box-shadow:0 0 0 2px #a5b4fc}.pdf-page-item.selected{border-color:#6366f1}.pdf-page-item.disabled{cursor:not-allowed;opacity:.8}.pdf-page-item p{margin:8px 0 0;font-size:14px;display:flex;align-items:center;justify-content:center;padding-bottom:8px}.pdf-page-item .react-pdf__Page__canvas{border-radius:4px}.pdf-page-item p:before{content:"";display:inline-block;width:16px;height:16px;border:1px solid #ccc;border-radius:3px;margin-right:8px;background-color:#fff}.pdf-page-item.selected p:before{background-color:#6366f1;border-color:#6366f1;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 8l3 3 5-5'/%3e%3c/svg%3e")}.pdf-side-preview{position:absolute;background-color:#fff;padding:10px;border-radius:8px;box-shadow:0 8px 24px #0000004d;z-index:30;pointer-events:none;transition:opacity .2s ease-in-out,top .1s;opacity:1}@media (max-width: 768px){.main{width:90%;margin-top:24px;padding:0 8px}.upload-section{padding:24px}.upload-icon{font-size:36px;margin-bottom:12px}.hint{font-size:.9rem}.upload-button,.remove-button{padding:6px 12px;font-size:.9rem}.options-panel{padding:16px;margin:24px 0}.options-panel h3{font-size:16px;margin-bottom:16px}.segmented-control{margin:16px 0}.segmented-control button{padding:8px 0;font-size:.9rem}.slider-control label{font-size:.9rem;margin-bottom:8px}.preview-panel{padding:16px}.preview-panel h3{font-size:1rem;margin-bottom:12px}.preview-content{padding:1rem;min-height:100px}.processing p{font-size:.9rem}.action-buttons{flex-direction:column;gap:12px;margin-bottom:32px}.secondary-button{margin:0}.primary-button.large,.secondary-button{width:100%;padding:12px 0;font-size:.9rem}.problem-card{flex-direction:column;align-items:flex-start;padding:1rem;gap:.5rem}.problem-icon{font-size:1.5rem}.problem-details h3{font-size:.95rem}.problem-details p{font-size:.8rem}.problem-actions{width:100%;justify-content:space-between}.problem-actions .btn{flex:1;margin-right:.5rem;padding:8px 0;font-size:.85rem;white-space:nowrap}.options-grid{grid-template-columns:1fr;gap:12px}.slider-control input[type=range]{height:3px}.slider-control input[type=range]::-webkit-slider-thumb{width:14px;height:14px}.count-control button{padding:6px 8px}.count-control input{width:50px;font-size:.9rem}.option-item select{padding:6px;font-size:.9rem}.mode-control button{padding:6px 0;font-size:.9rem}.preview-content p{font-size:.9rem}.page-decide{flex-direction:column;align-items:stretch;gap:8px;margin-top:12px}.page-decide input[type=number]{width:100%;font-size:.9rem;padding:6px 8px}.page-decide span{display:none}.page-decide select{width:100%;font-size:.9rem;padding:6px 8px}.level-selector-row{flex-direction:column;align-items:stretch;gap:.5rem}.level-selector-row select{width:100%;padding:.4rem .6rem;font-size:.9rem}.level-description{max-height:240px;padding:.8rem}}.app-container{display:flex;flex-direction:column;min-height:100vh;background-color:#f5f7fa}.navbar{display:flex;align-items:center;justify-content:space-between;background-color:#6a33f8;color:#fff;padding:1rem}.close-button{background:transparent;border:none;color:inherit;font-size:1.25rem;cursor:pointer}.time-display{font-family:monospace}.quiz-wrapper{flex:1;padding:1.5rem;display:flex;justify-content:center;align-items:flex-start}.layout-container{position:relative;display:flex;width:100%;max-width:1500px}.left-panel{position:absolute;top:4rem;left:7%;transform:translate(-50%);display:grid;grid-template-columns:repeat(5,minmax(2rem,1fr));gap:.5rem;background-color:#fff;box-shadow:0 2px 8px #0000001a;border-radius:.5rem;padding:1rem;width:200px}.skipped-button{min-width:2rem;height:2rem;line-height:2rem;text-align:center;border:1px solid #ddd;border-radius:.25rem;background:#fff;cursor:pointer;transition:background-color .2s ease,transform .2s ease}.skipped-button.answered{background-color:#dfe4e9}.skipped-button.checked{background-color:#ffe082}.skipped-button.current{background-color:#6a33f8;color:#fff}.skipped-button:hover{background-color:#e0e4e9;transform:scale(1.1)}.left-panel .skipped-button.incorrect{background-color:#fdd!important;border-color:#f77!important}.left-panel .skipped-button.correct{background-color:#dfd!important;border-color:#7f7!important}.center-panel{flex:3;display:flex;flex-direction:column;gap:1rem;padding-left:260px}.question-area.unanswered{border:2px solid #dc3545;border-radius:.5rem}.question-nav{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;margin-bottom:1rem}.question-nav .nav-button{flex:1;padding:.5rem .75rem;font-size:.9rem;border:none;border-radius:.25rem;background-color:#6a33f8;color:#fff;cursor:pointer;margin:0 .5rem}.nav-button:hover{background-color:#8b5cf6}.nav-button:disabled{background-color:#aaa;cursor:default}.counter-wrapper{width:100%;text-align:center;margin-bottom:1rem}.question-counter{display:inline-block;font-weight:700;font-size:1rem}.question-area{display:flex;background-color:#e6ebf1;border-radius:.5rem;padding:1rem;justify-content:space-between}.question-text{margin:0;font-size:1rem}.options-container{display:flex;flex-direction:column;gap:.75rem}.option{display:flex;align-items:center;background-color:#fff;border-radius:.5rem;padding:1.25rem .75rem;min-height:3.5rem;cursor:default}.option:hover{background-color:#fff}.option.correct-option{border:2px solid #28a745}.option.wrong-option{border:2px solid #dc3545}.option:not(.correct-option):not(.wrong-option){border:1px solid #ddd}.option-icon{width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background-color:#f0f3f5;border-radius:50%;margin-right:.75rem}.option-text{font-size:1rem;line-height:1.8;padding-right:.75rem}.submit-button{background-color:#6a33f8;color:#fff;border:none;border-radius:.5rem;padding:.75rem;font-size:1rem;cursor:pointer;align-self:flex;transition:background-color .2s ease,transform .2s ease}.submit-button:hover{background-color:#8b5cf6}.go-home-button{background-color:#6a33f8;color:#fff;border:none;border-radius:.5rem;padding:.75rem;font-size:1rem;cursor:pointer;align-self:flex;transition:background-color .2s ease,transform .2s ease}.go-home-button:hover{background-color:#8b5cf6}.submit-button:disabled{background-color:#ccc;cursor:not-allowed}.explanation-box{background-color:#fff;border-radius:.5rem;padding:1.5rem;box-shadow:0 2px 8px #0000000d;margin-top:1.5rem}.explanation-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.explanation-title{font-size:1.25rem;margin-bottom:0;color:#333}.detailed-explanation-button{background-color:#6a33f8;border:1px solid #6a33f8;color:#fff;padding:.25rem .75rem;border-radius:.25rem;cursor:pointer;font-size:.8rem;font-weight:700;transition:all .2s ease}.detailed-explanation-button:hover{background-color:#8b5cf6;color:#fff}.explanation-text{font-size:1rem;line-height:1.8;color:#333}.specific-explanation-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #e0e0e0}.specific-explanation-title{font-size:1.1rem;font-weight:700;color:#333;margin-bottom:.75rem}.right-panel{flex:1}.spinner-container{display:flex;flex-direction:column;align-items:center;padding:2rem}.spinner{width:3rem;height:3rem;border:4px solid rgba(0,0,0,.1);border-top-color:#6366f1;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.switch{position:relative;display:inline-block;width:50px;height:28px;vertical-align:middle}.switch input{opacity:0;width:0;height:0}.slide-header{display:flex;align-items:center;margin-top:1rem}.slide-title{margin:0;font-size:1rem;font-weight:700}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.3s;border-radius:14px}.slider:before{position:absolute;content:"";height:22px;width:22px;left:3px;bottom:3px;background-color:#fff;transition:.3s;border-radius:50%}input:checked+.slider{background-color:#4cd964}input:checked+.slider:before{transform:translate(22px)}.slider.round{border-radius:14px}.slider.round:before{border-radius:50%}.pdf-slide-box{margin-top:1rem;width:100%;overflow-x:auto;overflow-y:hidden}.pdf-slide-box .react-pdf__Document{display:flex;min-height:500px;justify-content:center}.pdf-slide-box .react-pdf__Page{max-width:100%;height:auto}.pdf-slide-box .react-pdf__Page__canvas{max-width:100%;height:auto!important}@media (max-width: 768px){.layout-container{flex-direction:column}.left-panel{display:none}.center-panel{flex:1;padding-left:0;padding:1rem}.right-panel{order:2;width:100%;margin-top:1rem}.question-nav{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:1rem}.question-nav .nav-button{flex:1;padding:.5rem .75rem;font-size:.9rem}.question-nav .question-counter{flex:1;text-align:center;font-size:.9rem}.question-area{display:flex;flex-direction:column;gap:.5rem;padding:.75rem}.question-text{font-size:1rem;margin:0}.solve-check-container{margin-right:0}.options-container{display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem}.option{padding:1rem .5rem;min-height:3rem}.option-icon{width:1.5rem;height:1.5rem;margin-right:.5rem}.option-text{font-size:.9rem;line-height:1.6;padding-right:.5rem}.submit-button,.go-home-button{width:100%;padding:.75rem;font-size:1rem;margin-top:1rem}.explanation-box{padding:.75rem;margin-top:.75rem}.pdf-slide-box{margin-top:.75rem;padding:0}.slide-header{margin-top:.75rem}}.pdf-navigation{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1rem}.pdf-nav-button{background-color:#f0f0f0;border:none;border-radius:50%;width:40px;height:40px;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.pdf-nav-button:hover:not(:disabled){background-color:#e0e0e0}.pdf-nav-button:disabled{opacity:.5;cursor:not-allowed}.pdf-page-counter{font-size:.9rem;color:#666}.feedback-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-out}.feedback-modal{background-color:#fff;border-radius:1rem;padding:2rem;max-width:500px;width:90%;box-shadow:0 10px 30px #0003;animation:slideUp .3s ease-out;position:relative}.feedback-modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;transition:color .2s ease}.feedback-modal-close:hover{color:#333}.feedback-modal-header{margin-bottom:1.5rem;text-align:center}.feedback-modal-title{font-size:1.5rem;font-weight:700;color:#333;margin-bottom:.5rem}.feedback-modal-subtitle{font-size:1rem;color:#666;line-height:1.5}.feedback-modal-content{margin-bottom:2rem}.feedback-info-item{display:flex;align-items:center;margin-bottom:.75rem;padding:.5rem;background-color:#f8f9fa;border-radius:.5rem}.feedback-info-item span:first-child{margin-right:.5rem;font-size:1.1rem}.feedback-info-text{font-size:.95rem;color:#555;font-weight:500}.feedback-modal-buttons{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.feedback-button{padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;flex:1;min-width:120px}.feedback-button-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.feedback-button-primary:hover{background:linear-gradient(135deg,#5a67d8,#6b46c1);transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.feedback-button-secondary{background-color:#f8f9fa;color:#666;border:1px solid #dee2e6}.feedback-button-secondary:hover{background-color:#e9ecef;color:#495057;transform:translateY(-1px)}.feedback-button-tertiary{background-color:#fef2f2;color:#dc2626;border:1px solid #fecaca;font-size:.9rem}.feedback-button-tertiary:hover{background-color:#fee2e2;color:#b91c1c;transform:translateY(-1px)}.feedback-contact-info{margin-top:1rem;padding:1rem;background-color:#f0f8ff;border-radius:.5rem;border-left:4px solid #667eea}.feedback-contact-text{font-size:.9rem;color:#555;text-align:center}.feedback-contact-email{color:#667eea;text-decoration:none;font-weight:600}.feedback-contact-email:hover{text-decoration:underline}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.feedback-modal{padding:1.5rem;margin:1rem}.feedback-modal-title{font-size:1.3rem}.feedback-modal-buttons{flex-direction:column}.feedback-button{width:100%}}.all-referenced-pages{margin:1rem 0;padding:1rem;background-color:#f8f9fa;border-radius:8px}.all-pages-title{margin:0 0 .5rem;font-size:1rem;color:#333}.pages-list{display:flex;flex-wrap:wrap;gap:.5rem}.page-number{padding:.25rem .75rem;background-color:ㄸㄸ#e9ecef;border-radius:4px;cursor:pointer;transition:all .2s ease}.page-number:hover{background-color:#dee2e6}.page-number.active{background-color:#007bff;color:#fff}.spinner-in-button{width:1rem;height:1rem;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}.quiz-history-container{min-height:100vh;background-color:#f9fafb;padding:2rem;max-width:70%;margin:0 auto}.quiz-history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:2px solid #e5e7eb}.header-content h1{font-size:2.5rem;font-weight:800;color:#111827;margin:0 0 .5rem}.header-content p{font-size:1.1rem;color:#6b7280;margin:0}.clear-all-btn{background-color:#ef4444;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.clear-all-btn:hover{background-color:#dc2626;transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.stats-section{margin-bottom:2.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.stat-card{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:1rem;padding:1.5rem;color:#fff;display:flex;align-items:center;gap:1rem;box-shadow:0 4px 20px #667eea33;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #667eea4d}.stat-icon{font-size:2rem;opacity:.9}.stat-content{flex:1}.stat-number{font-size:2rem;font-weight:800;line-height:1;margin-bottom:.25rem}.stat-label{font-size:.9rem;opacity:.9;font-weight:500}.quiz-history-content{background-color:#fff;border-radius:1rem;box-shadow:0 4px 20px #00000014;overflow:hidden}.empty-history{text-align:center;padding:4rem 2rem;color:#6b7280}.empty-icon{font-size:4rem;margin-bottom:1rem;opacity:.7}.empty-history h3{font-size:1.5rem;font-weight:600;margin:0 0 .5rem;color:#374151}.empty-history p{font-size:1.1rem;margin:0 0 2rem}.create-quiz-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;border-radius:.75rem;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #667eea4d}.create-quiz-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.history-list{padding:1.5rem}.history-item{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;margin-bottom:1rem;border:1px solid #e5e7eb;border-radius:1rem;background-color:#fff;transition:all .2s ease;position:relative;align-items:stretch}.history-item:last-child{margin-bottom:0}.history-item:hover{border-color:#d1d5db;box-shadow:0 8px 25px #00000014;transform:translateY(-2px)}.history-item.completed{border-left:5px solid #10b981}.history-item.created{border-left:5px solid #f59e0b}.history-main{flex:1;min-width:0}.history-title{display:flex;align-items:center;margin-bottom:1rem;gap:.75rem;flex-wrap:wrap}.file-icon{font-size:1.2rem}.file-name{font-size:1.2rem;font-weight:700;color:#111827;min-width:200px;word-break:break-all;overflow-wrap:anywhere;min-width:0;max-width:900px;display:block}.status-badge{padding:.25rem .75rem;border-radius:.375rem;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;margin-left:0}.status-badge.completed{background-color:#d1fae5;color:#065f46}.status-badge.created{background-color:#fef3c7;color:#92400e}.history-details{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:.75rem}.detail-item{font-size:.9rem;color:#6b7280;background-color:#f3f4f6;padding:.375rem .75rem;border-radius:.5rem;font-weight:500}.detail-item.score{background-color:#dcfce7;color:#16a34a;font-weight:700}.history-date{font-size:.85rem;color:#9ca3af;line-height:1.4}.history-actions{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end;margin-left:auto}.action-btn{padding:.5rem 1.25rem;border:none;border-radius:.5rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;min-width:100px;text-align:center}.view-btn{background-color:#3b82f6;color:#fff}.view-btn:hover{background-color:#2563eb;transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.quiz-btn{background-color:#10b981;color:#fff}.quiz-btn:hover{background-color:#059669;transform:translateY(-2px);box-shadow:0 4px 12px #10b9814d}.delete-btn{background-color:#ef4444;color:#fff}.delete-btn:hover{background-color:#dc2626;transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;background-color:#fff;border-radius:1rem;box-shadow:0 4px 20px #00000014}.spinner{width:3rem;height:3rem;border:4px solid #e5e7eb;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.loading-container p{color:#6b7280;font-size:1.1rem;margin:0}@media (max-width: 768px){.quiz-history-container{padding:1rem}.quiz-history-header{flex-direction:column;align-items:flex-start;gap:1rem}.header-content h1{font-size:2rem}.stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.stat-card{padding:1rem}.stat-number{font-size:1.5rem}.history-item{flex-direction:column;align-items:flex-start;gap:1rem}.history-actions{flex-direction:row;width:100%;justify-content:flex-end}.action-btn{min-width:80px;font-size:.8rem;padding:.5rem 1rem}.history-details{gap:.5rem}.detail-item{font-size:.8rem;padding:.25rem .5rem}.history-title{width:100%;gap:.5rem}.file-name{font-size:1rem;min-width:150px}.status-badge{font-size:.75rem;padding:.2rem .6rem;margin-left:0}}@media (max-width: 480px){.stats-grid{grid-template-columns:1fr}.history-actions{flex-direction:column;width:100%;align-items:stretch}.action-btn{width:100%}.history-title{flex-direction:column;align-items:flex-start}.status-badge{margin-left:0}}.storage-notice-section{background-color:#fff3cd;border:1px solid #ffeaa7;border-radius:12px;padding:16px 20px;margin-bottom:2rem;box-shadow:0 2px 8px #ffeaa74d}.storage-notice-header{display:flex;align-items:center;margin-bottom:10px}.storage-notice-icon{margin-right:10px;font-size:1.3rem}.storage-notice-title{margin:0;color:#856404;font-size:1.1rem;font-weight:600}.storage-notice-content{padding-left:30px;color:#856404;line-height:1.5;font-size:.95rem}.retry-btn{background-color:#8b5cf6;color:#fff}.retry-btn:hover{background-color:#7c3aed;transform:translateY(-2px);box-shadow:0 4px 12px #8b5cf64d}.result-container{padding:2rem;display:flex;flex-direction:column;align-items:center;background-color:#f4f6f8;min-height:100vh;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#333}.metadata-box{width:100%;max-width:700px;display:flex;justify-content:space-between;gap:1rem;margin-bottom:2rem}.metadata-item{flex:1;display:flex;align-items:center;background-color:#fff;padding:1rem 1.25rem;border-radius:.75rem;box-shadow:0 4px 12px #0000000d;transition:transform .2s ease,box-shadow .2s ease}.metadata-item:hover{transform:translateY(-3px);box-shadow:0 8px 20px #00000014}.metadata-icon{font-size:1.75rem;margin-right:.75rem}.metadata-text{display:flex;flex-direction:column;line-height:1.2}.metadata-label{font-size:1rem;font-weight:500;color:#555;margin-bottom:.25rem}.metadata-value{font-size:1.25rem;font-weight:700;color:#222}.result-content{width:100%;max-width:700px;display:flex;flex-direction:column;gap:1.5rem;margin-bottom:3rem}.result-item{background-color:#fff;border-radius:.75rem;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;transition:transform .2s ease,box-shadow .2s ease;border-left:5px solid transparent}.result-item:hover{transform:translateY(-4px);box-shadow:0 6px 16px #00000014}.result-item.correct-box{border-left-color:#3bbb7b}.result-item.wrong-box{border-left-color:#e05263}.result-question{font-size:1.2rem;font-weight:600;margin-bottom:.75rem;color:#222}.result-user-answer{font-size:1.05rem;padding:.75rem 0;position:relative;color:#555;margin-bottom:.5rem}.result-user-answer:before{content:"";position:absolute;top:0;left:0;width:100%;border-top:1px solid #e2e5e8}.result-correct-answer{font-size:1.05rem;margin:.5rem 0;padding:.5rem .75rem;background-color:#f0f9f6;border-radius:.5rem;color:#2d6a4f;border:1px solid #cce6db}.result-status{display:inline-block;margin-top:.75rem;padding:.5rem 1rem;border-radius:.5rem;font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em}.result-status.correct{background-color:#3bbb7b;color:#fff}.result-status.wrong{background-color:#e05263;color:#fff}.explanation-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:1.1rem;font-weight:600;padding:.85rem 2rem;border:none;border-radius:.75rem;cursor:pointer;transition:background .3s ease,transform .2s ease;box-shadow:0 4px 12px #667eea4d}.explanation-button:hover{background:linear-gradient(135deg,#5a67d8,#6b46c1);transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.explanation-button:active{transform:translateY(0);box-shadow:0 2px 8px #667eea4d}@media (max-width: 768px){.result-container{padding:1rem}.metadata-box{flex-direction:column;gap:.75rem}.metadata-item{justify-content:flex-start;padding:.75rem 1rem}.metadata-icon{font-size:1.5rem;margin-right:.5rem}.metadata-label{font-size:.95rem}.metadata-value{font-size:1.1rem}.result-content{gap:1rem}.result-item{padding:1rem 1.5rem}.result-question{font-size:1.1rem}.result-user-answer,.result-correct-answer{font-size:1rem}.result-status{font-size:.95rem;padding:.4rem .8rem}.explanation-button{width:100%;font-size:1rem;padding:.75rem;text-align:center}}body{margin:0;padding:0;width:100%;height:100%}.solve-app-container{display:flex;flex-direction:column;min-height:100vh;background-color:#f5f7fa}.solve-navbar{display:flex;align-items:center;justify-content:space-between;background-color:#6a33f8;color:#fff;padding:1rem}.solve-close-button{background:transparent;border:none;color:inherit;font-size:1.25rem;cursor:pointer}.solve-time-display{font-family:monospace}.solve-quiz-wrapper{flex:1;padding:1.5rem;display:flex;justify-content:center;align-items:flex-start}.solve-layout-container{position:relative;display:flex;width:100%;max-width:1500px}.solve-left-panel{position:absolute;top:4rem;left:7%;transform:translate(-50%);display:grid;grid-template-columns:repeat(5,minmax(2rem,1fr));gap:.5rem;background-color:#fff;box-shadow:0 2px 8px #0000001a;border-radius:.5rem;padding:1rem;width:200px}.solve-skipped-button{min-width:2rem;height:2rem;line-height:2rem;text-align:center;border:1px solid #ddd;border-radius:.25rem;background:#fff;cursor:pointer;transition:background-color .2s ease,transform .2s ease}.solve-skipped-button.solve-answered{background-color:#dfe4e9}.solve-skipped-button.solve-checked{background-color:#ffe082}.solve-skipped-button:hover{background-color:#e0e4e9;transform:scale(1.1)}.solve-center-panel{flex:3;display:flex;flex-direction:column;gap:1rem;padding-left:300px}.solve-right-panel{flex:1}.solve-question-nav{display:flex;align-items:center;justify-content:space-between}.solve-nav-button{background-color:#6a33f8;color:#fff;border:none;border-radius:.5rem;padding:.5rem 1rem;cursor:pointer}.solve-question-and-review-wrapper{display:flex;background-color:#e6ebf1;border-radius:.5rem;padding:1rem;align-items:center}.solve-question-area{flex:1;padding-right:.75rem}.solve-question-text{margin:0;font-size:1rem;line-height:1.5}.solve-review-area{border-left:1px solid #c8d0d9;padding-left:.75rem}.solve-review-area label{display:flex;align-items:center;cursor:pointer;font-weight:700;font-size:1rem;color:#4a5568;transition:color .2s ease;-webkit-user-select:none;user-select:none;white-space:nowrap}.solve-review-area label:hover{color:#6a33f8}.solve-review-area label input[type=checkbox]{margin-right:.5rem;width:1.25rem;height:1.25rem;accent-color:#6a33f8;cursor:pointer}.solve-options-container{display:flex;flex-direction:column;gap:.75rem}.solve-option{display:flex;align-items:center;background-color:#fff;border-radius:.5rem;padding:1.25rem .75rem;min-height:3.5rem;cursor:pointer;transition:background-color .2s ease}.solve-option:hover,.solve-option.solve-selected{background-color:#dfe4e9}.solve-option-icon{width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background-color:#f0f3f5;border-radius:50%;margin-right:.75rem}.solve-option-text{font-size:1rem;line-height:1.8;padding-right:.75rem}.solve-submit-button{background-color:#6a33f8;color:#fff;border:none;border-radius:.5rem;padding:.75rem;font-size:1rem;cursor:pointer;margin-top:auto}.solve-submit-all-button{background-color:#6a33f8;color:#fff;border:none;border-radius:.5rem;padding:.75rem;font-size:1rem;cursor:pointer;margin-top:2rem;width:100px;align-self:flex-end}.solve-spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:0}.solve-spinner{width:3rem;height:3rem;border:4px solid rgba(0,0,0,.1);border-top-color:#6366f1;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.solve-layout-container{flex-direction:column}.solve-center-panel{order:1}.solve-left-panel{order:2}.solve-right-panel{display:none}.solve-left-panel{position:static;top:auto;left:auto;transform:none;width:100%;display:flex;flex-wrap:wrap;justify-content:center;padding:.5rem 0;margin:1rem 0 0;background-color:transparent;box-shadow:none}.solve-left-panel .solve-skipped-button{flex:0 1 auto;margin:.25rem;font-size:.85rem}.solve-center-panel{flex:1;padding-left:0;padding:1rem}.solve-question-nav{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:1rem}.solve-question-nav .solve-nav-button{flex:1;padding:.5rem .75rem;font-size:.9rem}.solve-question-nav span{flex:1;text-align:center;font-size:.9rem}.solve-question-area{display:flex;flex-direction:column;gap:.5rem;padding:.75rem}.solve-question-text{font-size:1rem;margin:0}.solve-check-container{margin-right:0}.solve-options-container{display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem}.solve-option{padding:1rem .5rem;min-height:3rem}.solve-option .solve-option-text{font-size:.9rem;line-height:1.6;padding-right:.5rem}.solve-option-icon{width:1.5rem;height:1.5rem;margin-right:.5rem}.solve-question-area label{font-size:.9rem}.solve-question-area label input[type=checkbox]{width:1.1rem;height:1.1rem}.solve-submit-button{width:100%;padding:.75rem;font-size:1rem;margin-top:1rem}.solve-submit-all-button{width:100%;align-self:stretch;margin-top:1rem}.solve-question-and-review-wrapper{flex-direction:column;gap:.75rem;align-items:flex-start}.solve-question-area{padding-right:0;width:100%}.solve-review-area{border-left:none;padding-left:0;align-self:flex-end}}.submit-dialog-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.submit-dialog{background:#fff;border-radius:12px;box-shadow:0 10px 25px #00000026;width:90%;max-width:600px;max-height:80vh;overflow-y:auto;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.submit-dialog-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e5e7eb}.submit-dialog-header h2{margin:0;font-size:1.25rem;font-weight:600;color:#1f2937}.submit-dialog-close{background:none;border:none;font-size:24px;color:#6b7280;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background-color .2s}.submit-dialog-close:hover{background-color:#f3f4f6}.submit-dialog-content{padding:24px}.submit-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px;padding:20px;background-color:#f9fafb;border-radius:8px}.stat-item{display:flex;justify-content:space-between;align-items:center}.stat-label{font-weight:500;color:#374151}.stat-value{font-weight:600;padding:4px 8px;border-radius:4px;font-size:.9rem}.stat-value.answered{color:#059669;background-color:#d1fae5}.stat-value.unanswered{color:#dc2626;background-color:#fee2e2}.stat-value.review{color:#d97706;background-color:#fef3c7}.submit-answers h3{margin:0 0 16px;font-size:1.1rem;font-weight:600;color:#1f2937}.answers-list{max-height:300px;overflow-y:auto;border:1px solid #e5e7eb;border-radius:8px;padding:12px}.answer-item{display:flex;align-items:center;padding:8px 0;border-bottom:1px solid #f3f4f6}.answer-item:last-child{border-bottom:none}.answer-number{font-weight:600;color:#374151;min-width:50px}.answer-text{flex:1;margin-left:12px;display:flex;align-items:center;gap:8px}.answer-text.unanswered{color:#dc2626;font-style:italic}.answer-text.review{color:#d97706}.review-badge{background-color:#fbbf24;color:#fff;font-size:.75rem;padding:2px 6px;border-radius:4px;font-weight:500}.submit-dialog-buttons{display:flex;gap:12px;padding:20px 24px;border-top:1px solid #e5e7eb;justify-content:flex-end}.submit-button{padding:10px 24px;border-radius:6px;font-weight:500;cursor:pointer;transition:all .2s;border:none}.submit-button.cancel{background-color:#f3f4f6;color:#374151}.submit-button.cancel:hover{background-color:#e5e7eb}.submit-button.confirm{background-color:#3b82f6;color:#fff}.submit-button.confirm:hover{background-color:#2563eb}@media (max-width: 768px){.submit-dialog{width:95%;margin:20px}.submit-stats{grid-template-columns:1fr;gap:12px}.submit-dialog-buttons{flex-direction:column}.submit-button{width:100%}}
