@charset "UTF-8";
:root{--green:#174e3c;--green-dark:#103a2d;--soft:#eaf2ed;--paper:#f7f8f4;--ink:#253a31;--muted:#7c8980;--line:#e1e7df;--orange:#b8793b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Helvetica Neue",sans-serif;font-size:15px}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[contenteditable]:focus-visible{outline:3px solid #a9c7ad;outline-offset:3px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:252px;background:#fff;border-right:1px solid var(--line);padding:32px 22px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:12px;align-items:center;font-size:24px;font-weight:700;letter-spacing:normal;color:var(--green)}.brand-symbol{display:grid;place-items:center;width:45px;height:49px;background:var(--green);color:#fff;border-radius:14px 14px 14px 3px;font:italic bold 37px Georgia;letter-spacing:normal;padding-right:4px}.brand small{display:block;font-size:10px;letter-spacing:normal;font-weight:400;margin-top:5px;color:#839185}.nav-caption{font-size:10px;letter-spacing:normal;color:#9aa39a;margin:52px 12px 16px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 12px;border:0;background:none;color:#78857d;font-weight:500;text-align:left;border-radius:8px;margin-bottom:8px}.nav-item>span{font-size:21px;line-height:1}.nav-item b{margin-left:auto;background:#f2f4ef;border-radius:5px;min-width:23px;text-align:center;padding:3px;font-size:11px;font-weight:500}.nav-item.active{background:var(--soft);color:var(--green);font-weight:650}.nav-item.active b{background:#dcebe0}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding:22px 10px 0}.private-dot{font-size:11px;font-weight:600}.private-dot i,.save-status i{display:inline-block;background:#6f9f70;width:6px;height:6px;border-radius:50%;margin-right:6px}.sidebar-bottom p{font-size:11px;line-height:1.8;color:#9aa39a;margin:10px 0 15px}.text-button{display:block;border:0;background:none;color:#718076;font-size:12px;padding:7px 0;text-align:left}.text-button:hover{color:var(--green)}.workspace{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:75px;border-bottom:1px solid var(--line);padding:0 40px;display:flex;align-items:center;justify-content:space-between;background:#fbfcf9;color:#8e998e;font-size:11px}.breadcrumb{margin-left:10px}.breadcrumb b{color:#586b5f;font-weight:500;margin-left:10px}.save-status{font-size:11px;white-space:nowrap}.page-content{padding:37px 40px 30px;flex:1;max-width:1620px;width:100%;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 0 28px}.eyebrow{color:#8b9b87;font-size:9px;font-weight:600;letter-spacing:normal}h1{font-family:Arial,"Helvetica Neue",sans-serif;letter-spacing:normal;font-size:38px;line-height:1.15;font-weight:400;margin:12px 0}h2{font-size:24px;letter-spacing:normal;font-weight:600;margin:6px 0 12px}h3{font-size:16px;line-height:1.5;margin:8px 0}.page-heading p{font-size:13px;color:#869281;margin:10px 0 0;line-height:1.6}.primary,.secondary,.small-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 18px;border-radius:7px;font-weight:600;border:1px solid transparent;font-size:13px;line-height:1.4;white-space:nowrap}.primary{background:var(--green);color:white}.primary:hover{background:var(--green-dark)}.primary>span{font-size:21px;font-weight:300}.secondary{background:#fff;color:#5b6a5e;border-color:var(--line)}.secondary:hover,.small-button:hover{background:#edf3ec}.small-button{background:white;border-color:var(--line);font-size:11px;padding:7px 10px;color:#627366}.flow{background:#eef2e9;border:1px solid #e3e9dc;padding:17px 21px;border-radius:8px;display:flex;align-items:center;gap:14px;margin-bottom:29px}.step{display:flex;align-items:center;gap:8px;font-size:11px;color:#85927c;white-space:nowrap}.step b{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#dfe7d7;color:#7a8e6e;font-size:10px}.step.current{color:var(--green);font-weight:600}.step.current b{background:var(--green);color:white}.flow-line{width:30px;height:1px;background:#ccd6c4}.flow-caption{margin-left:auto;font-family:Arial,"Helvetica Neue",sans-serif;font-size:11px;font-style:italic;color:#9eaa93}.toolbar{display:flex;gap:12px;margin-bottom:26px}.search{display:flex;align-items:center;gap:12px;flex:1;background:white;border:1px solid var(--line);border-radius:7px;padding:0 14px;min-width:130px}.search>span{font-size:25px;color:#91a08d}.search input{width:100%;border:0;outline:none;padding:12px 0;font-size:12px;color:var(--ink);background:transparent}.search kbd{color:#a3ada0;font-size:14px}.toolbar select{background:#fff;color:#647361;border:1px solid var(--line);border-radius:7px;padding:11px 30px 11px 12px;font-size:11px;min-width:134px}.library-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:26px;align-items:start}.section-label{display:flex;justify-content:space-between;margin-bottom:14px;gap:10px;font-size:9px;color:#9aa392;letter-spacing:normal}.section-label span:first-child{font-weight:600;color:#7c8b73}.section-label span:last-child{letter-spacing:normal;font-size:10px}.source-card{display:flex;gap:16px;align-items:flex-start;background:white;border:1px solid var(--line);padding:21px;border-radius:9px;margin-bottom:14px;cursor:pointer;position:relative;transition:border-color .2s,box-shadow .2s}.source-card:hover{border-color:#a9bda7;box-shadow:0 4px 16px #254b3210}.source-icon{width:46px;height:54px;border:1px solid #e0e8d9;background:#f3f6ed;border-radius:5px;display:grid;place-items:center;color:#7a9271;flex-shrink:0;font-size:24px;position:relative}.source-icon.blue{color:#7589a4;background:#f0f4f9;border-color:#e0e6f0}.source-icon.rose{color:#b08f7c;background:#faf3eb;border-color:#eee4d9}.source-icon:after{content:"";position:absolute;bottom:10px;left:14px;width:16px;height:1px;background:currentColor;box-shadow:0 -5px currentColor}.source-card-body{flex:1;min-width:0}.chips{display:flex;align-items:center;gap:7px;margin-bottom:5px}.chip{font-size:9px;padding:4px 7px;border-radius:4px;background:#eef4e9;color:#7f9572;line-height:1}.chip.type{background:#f5f5f0;color:#8d9587}.source-card h3{font-size:15px;margin:8px 0;line-height:1.45;font-weight:600;letter-spacing:normal}.card-meta{display:flex;gap:13px;font-size:10px;color:#9aa491;line-height:1.7;flex-wrap:wrap}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding-top:13px;border-top:1px solid #f0f2ec;font-size:10px;color:#8a9880;gap:12px}.card-bottom .selected-count{color:var(--green);background:#edf4e9;padding:4px 7px;border-radius:4px}.card-arrow{margin-top:25px;color:#95a58e;font-size:19px}.basket{background:#fff;border:1px solid var(--line);border-radius:9px;padding:21px;position:sticky;top:20px}.basket-title{display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600}.basket-badge{background:var(--soft);border-radius:50%;width:26px;height:26px;display:grid;place-items:center;color:var(--green);font-size:11px}.basket>p{font-size:11px;color:#9aa391;line-height:1.7}.basket-empty{text-align:center;padding:22px 4px}.basket-drawing{display:block;margin:0 auto 14px;width:60px;height:68px;background:#f4f6ef;border:1px dashed #c3cfb8;border-radius:5px;color:#b9c5ac;font-size:30px;line-height:65px;transform:rotate(-6deg)}.basket-empty h3{font-size:12px;color:#7b8b70;font-weight:500}.basket-empty p{font-size:10px;color:#a5ad9d;line-height:1.7;max-width:180px;margin:10px auto 0}.basket .primary{width:100%;margin-top:16px}.basket-foot{font-size:9px;color:#a3ad99;text-align:center;margin-top:13px}.basket-items{max-height:390px;overflow:auto;list-style:none;padding:0;margin:15px 0 0}.basket-item{padding:12px 0;border-bottom:1px solid #edf0e8;display:flex;gap:8px}.basket-item-number{font-size:10px;width:22px;height:22px;display:grid;place-items:center;background:#f0f4eb;border-radius:5px;flex-shrink:0}.basket-item p{font-size:11px;line-height:1.5;margin:0 0 4px;overflow-wrap:break-word}.basket-item small{font-size:9px;color:#a1aa96}.basket-item-controls{display:flex;gap:3px;margin-top:7px}.icon-button{background:#f8f9f5;border:1px solid #e5eadf;border-radius:4px;min-width:25px;height:24px;color:#8c9982;font-size:12px}.icon-button:hover{background:var(--soft);color:var(--green)}.basket-clear{font-size:10px;border:0;background:none;color:#9d8e7c;padding:10px 0 0;display:block;margin-left:auto}footer{padding:20px 40px;border-top:1px solid var(--line);font-size:9px;color:#a5ae9b;display:flex;justify-content:space-between;gap:15px}footer span{color:#8e9e82}.empty-state{text-align:center;background:#fff;border:1px dashed #d6dfce;border-radius:10px;padding:44px 22px}.empty-state .empty-icon{font-size:36px;color:#9aac8c}.empty-state h2{font-family:Arial,"Helvetica Neue",sans-serif;font-weight:400;font-size:24px;margin-top:15px}.empty-state p{color:#8c9a82;font-size:12px;line-height:1.8;max-width:340px;margin:10px auto 23px}.empty-state .text-button{margin:13px auto 0;text-align:center}.reader-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.back-button{background:none;border:0;color:#76896a;font-size:12px;padding:8px 0}.reader-heading{margin:0 0 24px}.reader-heading h2{font-size:25px;font-family:Arial,"Helvetica Neue",sans-serif;font-weight:400;margin:12px 0}.reader-heading p{font-size:12px;color:#96a08d}.question-card{background:white;border:1px solid var(--line);border-radius:8px;margin-bottom:16px;padding:20px;display:flex;gap:14px}.question-card.selected{border-color:#8eb288;box-shadow:0 0 0 1px #b8d0b22b;background:#fefffc}.question-card input[type=checkbox]{width:21px;height:21px;margin:3px 0;accent-color:var(--green);flex-shrink:0;cursor:pointer}.question-main{min-width:0;flex:1}.question-label{font-size:10px;color:#95a387;display:flex;justify-content:space-between;margin-bottom:12px;text-transform:uppercase;letter-spacing:normal}.question-content{font-family:"Times New Roman",serif;font-size:18px;line-height:1.65;overflow-wrap:break-word;color:#303b30}.question-content p{margin:3px 0 10px}.question-content img{max-width:100%;height:auto;display:block;margin:7px 0}.question-content table{width:100%;border-collapse:collapse;margin:8px 0}.question-content td,.question-content th{border:1px solid #abb5a1;padding:6px;vertical-align:top}.fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;padding:0 4px;line-height:1.15}.numerator{border-bottom:1px solid}.denominator{display:block}.dialog{border:0;border-radius:14px;max-width:520px;width:calc(100% - 32px);padding:28px;max-height:90vh;overflow:auto;color:var(--ink);box-shadow:0 16px 100px #153a332e}.dialog::backdrop{background:#10271e66;backdrop-filter:blur(3px)}.wide-dialog{max-width:640px}.review-dialog{max-width:880px}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:20px}.dialog-heading h2{margin-bottom:0}.close{background:none;border:0;font-size:26px;color:#9ba593;padding:0 3px;line-height:1}.dialog label{display:block;font-size:12px;font-weight:600;margin:16px 0}.dialog label>input:not([type=file]),.dialog label>textarea,.dialog label>select{display:block;width:100%;border:1px solid var(--line);border-radius:6px;padding:11px 12px;background:#fff;color:#3c503e;margin-top:7px;font-size:13px;font-weight:400}.dialog textarea{resize:vertical;line-height:1.6}.form-row{display:flex;gap:16px}.form-row>label{flex:1;min-width:0}.hint{font-size:12px;color:#93a089;line-height:1.75}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:23px;border-top:1px solid var(--line);padding-top:19px}.import-tabs{display:flex;gap:5px;background:#f1f4ed;padding:5px;border-radius:7px;margin:20px 0}.import-tabs button{flex:1;border:0;border-radius:5px;color:#829276;background:transparent;padding:10px 7px;font-size:12px}.import-tabs .selected{background:white;box-shadow:0 1px 5px #213a2510;color:var(--green);font-weight:600}.dialog .dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;border:1px dashed #c5d1bc;border-radius:8px;background:#f9fbf6;min-height:190px;text-align:center;padding:24px;cursor:pointer;position:relative}.dropzone.dragging{background:#eaf4e6;border-color:var(--green)}.dropzone span:not(.upload-symbol){font-size:11px;color:#8b9c7e;font-weight:400}.dropzone small{font-size:10px;color:#a1ac95;font-weight:400}.dropzone strong{font-size:13px;color:#6c835f}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.upload-symbol{font-size:30px;color:#8ea27e}.file-name{font-size:12px;color:var(--green);overflow-wrap:break-word}.notice{background:#f5f4e8;border:1px solid #e8e5cb;color:#97834d;font-size:12px;line-height:1.7;padding:12px 15px;border-radius:7px;margin:15px 0}.error{color:#b25143;font-size:12px;line-height:1.6;white-space:pre-wrap}.error:empty{display:none}.review-item{border:1px solid var(--line);border-radius:7px;margin:14px 0;overflow:hidden}.review-item-header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;background:#f5f7f0;color:#829573;font-size:11px;flex-wrap:wrap}.review-controls{display:flex;gap:5px}.review-item [contenteditable]{padding:16px;min-height:80px}.sticky-actions{position:sticky;bottom:-28px;background:#fff;padding:16px 0;margin-bottom:-10px;z-index:1}.canvas-wrap{max-height:460px;overflow:auto;border:1px solid var(--line);background:#e7ece2;border-radius:6px}.canvas-wrap canvas{width:100%;height:auto;display:block;cursor:crosshair;touch-action:none}.crop-top{display:flex;gap:10px;flex-direction:column;font-size:12px;margin:14px 0}.crop-top span{color:#99a48c;font-size:11px}.crop-actions{display:flex;align-items:center;gap:12px;margin:12px 0;flex-wrap:wrap}.crop-actions span{font-size:11px;color:#99a48c}.crop-actions button{font-size:11px}.exam-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.exam-card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:9px}.exam-card h3{margin:15px 0;font-size:18px;font-family:Arial,"Helvetica Neue",sans-serif;font-weight:400}.exam-card p{font-size:11px;color:#94a085}.exam-card-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}.editor-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}.editor-actions{display:flex;gap:8px;flex-wrap:wrap}.exam-preview{width:100%;height:750px;border:1px solid var(--line);border-radius:8px;background:white}.editor-questions{max-width:850px;margin:24px auto}.editor-questions h3{color:#829474;font-size:13px}.editor-questions .review-item [contenteditable]{background:white}.help-steps{padding-left:22px}.help-steps li{font-size:14px;line-height:1.8;margin:18px 0}.help-steps~p{font-size:12px;line-height:1.8;color:#829076}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:90vw;background:#174e3c;color:white;box-shadow:0 5px 25px #0002;border-radius:8px;padding:14px 23px;z-index:99;font-size:13px;line-height:1.6}.loading{padding:50px;text-align:center;color:#91a484}.saving{color:#ad8b51!important}.exam-text-save{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:18px 0}.exam-text-save p{font-size:11px;color:#98a38d}
@media(min-width:1500px){.library-layout{grid-template-columns:minmax(0,1fr) 330px}.source-card{padding:25px}.source-card h3{font-size:17px}.basket{padding:24px}}
@media(max-width:1150px){.sidebar{width:205px;padding:28px 15px}.brand{font-size:20px}.brand-symbol{width:37px;height:42px}.workspace{margin-left:205px}.page-content{padding:30px 24px}.topbar{padding:0 24px}.library-layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.flow-caption{display:none}.flow{gap:10px}.flow-line{width:16px}.basket{padding:17px}.toolbar{flex-wrap:wrap}.search{flex-basis:100%}footer{padding:20px 24px}.page-heading h1{font-size:34px}.page-heading .primary{padding:11px 13px;font-size:12px}}
@media(max-width:850px){.sidebar{width:73px;padding:25px 12px}.brand>span:last-child,.nav-caption,.sidebar-bottom,.nav-item b{display:none}.brand-symbol{width:44px}.sidebar nav{margin-top:40px}.nav-item{font-size:0;padding:14px 11px}.nav-item>span{font-size:24px}.workspace{margin-left:73px}.topbar{font-size:10px}.library-layout{grid-template-columns:1fr}.basket{position:static;order:-1}.basket-empty{display:none}.basket>p,.basket-foot{display:none}.basket .primary{margin-top:12px}.basket-items{max-height:200px}.basket-clear{display:inline-block}.flow{justify-content:space-between;padding:14px 12px}.step{font-size:9px;gap:5px}.step b{width:18px;height:18px}.flow-line{display:none}.page-heading{align-items:flex-start}.page-heading .primary{margin-top:18px}.eyebrow{letter-spacing:normal;font-size:8px}.page-heading h1{font-size:31px}footer span{display:none}.exam-list{grid-template-columns:1fr}}
@media(max-width:560px){.workspace{margin-left:0}.sidebar{position:static;width:auto;flex-direction:row;padding:14px 18px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand>span:last-child{display:block;font-size:19px}.brand small{font-size:8px}.brand-symbol{width:35px;height:39px;font-size:31px}.sidebar nav{display:flex;margin:0;gap:5px}.nav-item{width:auto;margin:0;padding:10px}.nav-item>span{font-size:22px}.topbar{height:49px;padding:0 18px}.topbar>span:first-child{font-size:0}.breadcrumb{font-size:10px;margin:0}.breadcrumb b{margin:0}.page-content{padding:27px 18px}.page-heading{display:block}.page-heading .primary{margin-top:20px}.page-heading p{font-size:12px}.flow{gap:7px;margin-bottom:22px}.step{font-size:9px}.step b{width:16px;height:16px}.toolbar{gap:8px}.toolbar select{flex:1;padding:10px;font-size:10px;min-width:0}.source-card{padding:16px;gap:12px}.source-icon{width:36px;height:43px}.source-icon:after{left:10px}.source-card h3{font-size:14px}.card-arrow{display:none}.card-meta{font-size:9px;gap:9px}.card-bottom{font-size:9px}.question-card{padding:16px;gap:10px}.question-content{font-size:17px}.dialog{padding:22px;max-height:94vh}.dialog h2{font-size:21px}.import-tabs button{font-size:10px}.review-controls{flex-wrap:wrap}.small-button{font-size:10px}.reader-top{flex-wrap:wrap}.editor-actions .primary,.editor-actions .secondary{font-size:11px;padding:10px 12px}.exam-preview{height:620px}.flow .step:last-of-type{font-size:8px}footer{padding:18px;font-size:9px}.sticky-actions{bottom:-22px}.dialog-actions .primary,.dialog-actions .secondary{font-size:11px;padding:11px 12px}}
