:root{--ink:#233e35;--muted:#74817a;--green:#207664;--green-dark:#185949;--green-soft:#e5f0e9;--paper:#f6f6f0;--border:#e4e9e1;--orange:#c77342;--white:#fff;--radius:18px}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{color:var(--ink);margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,system-ui,sans-serif;font-size:14px;line-height:1.65}a{color:var(--green);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{min-width:0;color:var(--ink);background:#fff;border:1px solid #d9e1d8;border-radius:9px;padding:10px 12px}input:focus,select:focus,textarea:focus{outline-offset:1px;border-color:var(--green);outline:2px solid #87b6a4}input[type=checkbox]{accent-color:var(--green);flex-shrink:0;width:16px;height:16px;padding:0}input[type=range]{accent-color:var(--green);cursor:pointer;width:100%;min-height:32px;padding:0}textarea{resize:vertical;width:100%}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.6px;margin-bottom:10px;font-size:29px;font-weight:650;line-height:1.4}h2{margin-bottom:16px;font-size:19px;font-weight:650;line-height:1.5}h3{margin-bottom:8px;font-size:16px;font-weight:600}p{margin-bottom:14px}small,.small{font-size:12px}strong{font-weight:650}code{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}:focus-visible{outline-offset:4px;outline:2px solid #6b9e89}.muted{color:var(--muted)}.wide{width:100%}.eyebrow{color:var(--green);letter-spacing:.8px;margin:0 0 8px;font-size:12px;font-weight:600}.button{white-space:normal;text-align:center;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:7px;padding:10px 17px;font-weight:550;line-height:1.5;transition:background .15s;display:inline-flex}.primary{background:var(--green);color:#fff}.primary:hover:not(:disabled){background:var(--green-dark)}.secondary{color:var(--ink);background:#fff;border-color:#dce5dc}.secondary:hover:not(:disabled){background:#f4f7f1}.light{color:var(--green);background:#fff}.ghost{color:var(--green);background:0 0;padding-left:10px;padding-right:10px}.danger{color:#ac4c38;background:#fff8f5;border-color:#edd6cf;padding:7px 12px}.text-button{color:var(--green);background:0 0;border:0;padding:5px 3px;font-weight:550}.danger-text{color:#ac4c38}.text-link{color:var(--green);font-size:13px;font-weight:550}.button-row{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border);z-index:20;background:#fff;flex-direction:column;flex-shrink:0;width:216px;padding:30px 18px 24px;display:flex;position:fixed;inset:0 auto 0 0}.brand{color:var(--ink);letter-spacing:.1px;align-items:center;gap:11px;font-size:20px;font-weight:700;line-height:1.35;display:flex}.brand small{color:var(--muted);letter-spacing:1px;margin-top:6px;font-size:10px;font-weight:400;display:block}.brand-mark{background:var(--green);color:#fff;border-radius:11px 11px 11px 3px;flex-shrink:0;justify-content:center;align-items:center;width:39px;height:43px;font-size:20px;display:inline-flex;box-shadow:inset -5px 0 #ffffff12}.sidebar nav{flex-direction:column;gap:5px;margin-top:38px;display:flex}.nav-link{color:#67786e;border-radius:9px;align-items:center;gap:13px;padding:10px 12px;font-size:13px;font-weight:500;display:flex}.nav-link>span{color:#90a294;text-align:center;width:19px;font-size:18px;line-height:1}.nav-link:hover{background:#f7f8f3}.nav-link.active{background:var(--green-soft);color:var(--green);font-weight:650}.nav-link.active>span{color:var(--green)}.sidebar-note{color:#6f8177;margin-top:auto;padding:18px 8px 0;font-size:10px;line-height:1.9}.privacy-dot{background:#85ac94;border-radius:50%;width:6px;height:6px;margin-right:5px;display:inline-block}.sidebar-note small{color:#95a199;padding-left:11px;font-size:10px}.workspace{flex:1;min-width:0;margin-left:216px}.topbar{border-bottom:1px solid var(--border);background:#fff8;justify-content:space-between;align-items:center;gap:18px;height:76px;padding:0 36px;display:flex}.child-switch{color:var(--muted);align-items:center;gap:14px;min-width:0;font-size:12px;display:flex}.child-switch select{min-width:145px;color:var(--ink);background:#fff;border:0;padding:8px 13px;font-weight:600}.topbar-right{color:var(--muted);align-items:center;gap:23px;font-size:12px;display:flex}.mobile-brand{display:none}.main-content{max-width:1270px;margin:0 auto;padding:34px 36px 50px}.app-footer{text-align:center;color:#9aa69a;padding:0 20px 22px;font-size:11px}.panel-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;display:flex}.panel-heading h1{margin-bottom:6px}.panel-description{color:var(--muted);max-width:660px;margin-bottom:0;font-size:13px}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);min-width:0;margin-bottom:22px;padding:25px}.card-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:17px;display:flex}.card-heading h2,.card-heading h3{margin:0}.card-heading select{max-width:220px}.two-columns{grid-template-columns:1fr 1fr;align-items:start;gap:22px;display:grid}.stats-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px;display:grid}.stat-card{border:1px solid var(--border);background:#fff;border-radius:15px;padding:23px 25px}.stat-card>span{color:var(--muted);font-size:12px;display:block}.stat-card strong{letter-spacing:-.8px;margin:4px 0;font-size:32px;font-weight:650;display:block}.stat-card small{color:#93a096;font-size:11px}.welcome-card{background:#eaf1e4;border:1px solid #dbe7d7;border-radius:19px;justify-content:space-between;align-items:center;min-height:232px;margin-bottom:23px;padding:31px;display:flex;position:relative;overflow:hidden}.welcome-card h2{margin-bottom:12px;font-size:25px;font-weight:650}.welcome-card p:not(.eyebrow){color:#6b7f6d;max-width:460px;font-size:13px}.welcome-art{flex-shrink:0;width:200px;height:160px;position:relative}.art-square{border-radius:15px;display:block;position:absolute}.square-one{background:#d1e2cf;border:1px solid #bdcfb9;width:102px;height:102px;top:17px;left:7px;transform:rotate(-12deg)}.square-two{background:#f8f6e7;border:1px solid #e3dfc8;width:89px;height:89px;top:59px;left:89px;transform:rotate(10deg)}.art-fraction{z-index:1;color:var(--green);font-family:Georgia,serif;font-size:58px;position:absolute;top:8px;left:33px}.art-line{background:#bdcdad;width:102px;height:2px;position:absolute;top:141px;left:23px;transform:rotate(-12deg)}.row-list>div{border-bottom:1px solid #edf0e9;justify-content:space-between;align-items:center;gap:16px;padding:15px 0;display:flex}.row-list>div:last-child{border-bottom:0}.row-list>div>span{overflow-wrap:anywhere;min-width:0}.row-list small{color:var(--muted);margin-top:4px;font-size:11px;display:block}.badge{color:#6d7f73;white-space:nowrap;background:#eef2ed;border-radius:6px;align-items:center;padding:4px 9px;font-size:10px;display:inline-flex}.badge-queued,.badge-needs_review,.badge-pending{color:#a5813d;background:#faf0de}.badge-leased{color:#5474a5;background:#e9eff7}.badge-correct,.badge-succeeded,.badge-verified,.badge-corrected,.badge-accepted{color:#327657;background:#e7f1e9}.badge-incorrect,.badge-failed,.badge-rejected{color:#b36b51;background:#f9e9e3}.empty{text-align:center;color:var(--muted);padding:37px 15px}.empty-mark{color:#abb9a9;background:#f2f5ee;border-radius:13px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-size:21px;display:inline-flex}.empty h3{color:#718578;margin-bottom:7px;font-size:14px;font-weight:550}.empty p{max-width:440px;margin:0 auto;font-size:12px;line-height:1.9}.notice{color:#687e55;overflow-wrap:anywhere;background:#f3f7ed;border:1px solid #dfe7dc;border-radius:10px;margin:0 0 18px;padding:12px 15px;font-size:12px}.notice-error{color:#a04d34;background:#fff2ed;border-color:#efd8ce}.notice-success{color:#397951;background:#eaf5ee;border-color:#cfe6d7}.notice a{text-decoration:underline}.busy{color:var(--muted);padding:25px 5px;font-size:13px}.loading-dot{background:var(--green);border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block}.field{flex-direction:column;gap:7px;min-width:0;margin-bottom:18px;display:flex}.field>span{color:#577163;font-size:12px;font-weight:550}.field small{color:var(--muted);font-size:10px}.field input,.field select,.field textarea{width:100%}.form-grid{grid-template-columns:1fr 1fr;gap:0 18px;display:grid}.inline-form{border-top:1px solid var(--border);align-items:end;gap:12px;margin-top:20px;padding-top:18px;display:flex}.inline-form .field{flex:1;margin:0}.checkbox-label{color:#6b7c6f;align-items:center;gap:8px;margin:12px 0;font-size:12px;display:flex}.check-fieldset{border:0;margin:0 0 18px;padding:0}.check-fieldset legend{color:#577163;font-size:12px;font-weight:550}.section-title{margin-top:32px}.upload-drop{text-align:center;background:#fbfcf8;border:1px dashed #b6ccba;border-radius:13px;margin-bottom:22px;padding:24px 16px}.upload-symbol{width:45px;height:45px;color:var(--green);background:#e5efe4;border-radius:12px;justify-content:center;align-items:center;margin:0 auto 13px;font-size:25px;display:flex}.upload-drop strong{font-size:15px;display:block}.upload-drop p{color:var(--muted);margin-top:7px;font-size:11px}.file-button{position:relative;overflow:hidden}.file-button input{opacity:0;cursor:pointer;width:100%;padding:0;position:absolute;inset:0}.selected-files{text-align:left;margin:18px 0 0;padding:0;font-size:12px;list-style:none}.selected-files li{overflow-wrap:anywhere;justify-content:space-between;align-items:center;gap:10px;padding:6px 0;display:flex}.selected-files small{color:var(--muted);white-space:nowrap}.upload-results{padding-top:20px}.tip-card{background:#fcfcf6}.step-list{margin:20px 0 25px;padding:0;list-style:none}.step-list li{align-items:start;gap:16px;padding:12px 0;display:flex}.step-list li>span{color:#b4bda5;font-family:Georgia,serif;font-size:22px;line-height:1.3}.step-list strong{font-size:12px}.step-list p{color:#88917e;margin:5px 0 0;font-size:11px}.error-text{color:#ac6347!important}.filter-grid{grid-template-columns:repeat(4,1fr);gap:15px;display:grid}.filter-card .field{margin-bottom:10px}.question-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.question-card{text-align:left;width:100%;color:var(--ink);margin:0;transition:border-color .15s,box-shadow .15s}.question-card:hover{border-color:#a8c5ad;box-shadow:0 6px 15px #294d3410}.question-card h3{white-space:pre-wrap;overflow-wrap:anywhere;min-height:56px;line-height:1.8}.tags{flex-wrap:wrap;gap:6px;margin:10px 0 15px;display:flex}.tags>span{color:#7e907c;background:#f1f5ee;border-radius:5px;padding:3px 8px;font-size:10px}.tags small{color:#a0ae98;font-size:9px}.pagination{justify-content:center;align-items:center;gap:20px;margin:24px 0;display:flex}.modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:60;background:#173d3066;justify-content:center;align-items:start;padding:35px 15px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:#fff;border-radius:19px;width:min(840px,100%);padding:28px;box-shadow:0 20px 80px #15322630}.modal-top{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:23px;padding-bottom:13px;display:flex}.modal-top h2{margin:0}.icon-button{color:#71836d;background:#f1f5ed;border:0;border-radius:8px;width:32px;height:32px;font-size:20px}.detail-stem h2{white-space:pre-wrap;font-size:19px;line-height:1.8}.detail-stem{margin-bottom:25px}.source-photo{object-fit:contain;border:1px solid var(--border);border-radius:10px;max-width:100%;max-height:500px;margin:0 auto 20px;display:block}.original-source{background:#f7f9f3;border-radius:12px;margin-bottom:20px;padding:18px}.answer-columns{grid-template-columns:1fr 1fr;gap:15px;display:grid}.answer-columns>div{background:#f7f9f3;border-radius:10px;margin-bottom:14px;padding:16px}.answer-columns p{white-space:pre-wrap;margin:6px 0 0}.label-small{color:var(--muted);font-size:11px}.explanation,.lesson-note{color:#6d7f60;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f9f1;border-radius:10px;padding:16px;line-height:1.9}.correction-form summary{cursor:pointer;color:var(--green);padding:14px 0;font-size:13px;font-weight:600}.inline-meta{color:var(--muted);margin-left:12px}.report-form{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.report-form .field{min-width:160px;margin:0}.segmented,.template-tabs{background:#f1f5ed;border-radius:10px;gap:5px;padding:5px;display:flex}.segmented button,.template-tabs button{color:#79906e;background:0 0;border:0;border-radius:7px;padding:9px 14px}.segmented button.active,.template-tabs button.active{color:var(--green);background:#fff;font-weight:600;box-shadow:0 1px 5px #254d2520}.report-numbers{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:17px;display:grid}.report-numbers>div{background:#f6f8f2;border-radius:10px;padding:14px}.report-numbers span{color:#85907b;font-size:11px;display:block}.report-numbers strong{font-size:22px;line-height:1.7;display:block}.interpretation{border-top:1px solid var(--border);margin-top:20px;padding-top:15px}.interpretation p{color:#7b8870;font-size:12px}.worksheet-items{padding-left:27px}.worksheet-items li{border-bottom:1px solid var(--border);white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:12px;padding:15px 5px}.worksheet-items li::marker{color:var(--green);font-weight:650}.writing-space{background:linear-gradient(#0000 31px,#f1f3ed 32px,#0000 33px) 0 0/100% 33px;height:95px}.worksheet-answer{background:#f8faf4;border-radius:8px;margin-top:13px;padding:13px;font-size:13px}.worksheet-answer p{color:var(--muted);margin:7px 0 0}.math-text{white-space:pre-wrap}.inline-fraction{vertical-align:middle;text-align:center;flex-direction:column;margin:0 4px;font-family:Georgia,serif;font-size:1.03em;line-height:1.3;display:inline-flex}.inline-fraction>span:first-child{border-bottom:1px solid;padding:0 4px 2px}.inline-fraction>span:last-child{padding:2px 4px 0}.math-explorer{width:100%}.template-tabs{width:fit-content;margin:0 auto 24px}.math-figure{background:#fafbf6;border:1px solid #e7ecdf;border-radius:14px;margin-bottom:22px;padding:12px 15px}.math-figure svg{width:100%;max-height:270px;font-family:inherit;display:block}.svg-result{fill:var(--green);font-size:19px;font-weight:600}.math-controls{grid-template-columns:repeat(2,1fr);gap:18px;max-width:640px;margin:0 auto;display:grid}.math-controls label{color:#78916f;font-size:12px;display:block}.math-controls label>span{justify-content:space-between;align-items:center;padding:0 2px;display:flex}.math-controls strong{color:var(--green);font-size:18px}.math-hint{text-align:center;color:#9aa48d;margin:15px 0 0;font-size:11px}.lesson-save{border-top:1px solid var(--border);margin-top:26px;padding-top:23px}.lesson-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.lesson-grid .card{margin:0}.math-compact .math-figure{padding:8px}.math-compact .svg-result{font-size:17px}.math-compact .math-controls{gap:13px}.lesson-note{margin:18px 0 0;font-size:12px}.curriculum-editor{border-top:1px solid var(--border);margin-bottom:18px;padding:15px 0}.curriculum-row{grid-template-columns:1fr 1fr 1fr auto;align-items:center;gap:10px;display:grid}.curriculum-row .field{margin-bottom:12px}.connection-list>div{border-bottom:1px solid var(--border);padding:15px 0}.connection-list>div:last-child{border-bottom:0}.one-time-token{background:#f7faf3;border:1px solid #d9e5d2;border-radius:12px;margin-top:20px;padding:17px}.one-time-token>input{width:100%;margin:5px 0 12px;font-family:ui-monospace,monospace;font-size:12px}.share-preview h2{margin-bottom:20px;font-size:23px}.share-preview .report-numbers{grid-template-columns:1fr 1fr}.public-share-page{max-width:740px;margin:0 auto;padding:36px 20px}.public-share-page>header{align-items:center;gap:12px;margin-bottom:28px;display:flex}.public-share-page>header strong{font-size:19px}.public-share-page>header p{color:var(--muted);margin:1px 0;font-size:11px}.public-share-page>footer{color:var(--muted);text-align:center;padding-top:10px;font-size:11px}.startup{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:25px;display:flex}.startup .notice{max-width:600px}.login-page{background:#fcfdf8;grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.login-story{background:#e9f0e2;flex-direction:column;justify-content:space-between;align-items:start;padding:55px max(40px,10vw);display:flex}.login-story h1{margin:15px 0 20px;font-size:42px;line-height:1.4}.login-story p:not(.eyebrow){color:#7a8c6b;line-height:2}.login-story>small{color:#96a589}.login-path{color:#68875e;align-items:center;gap:15px;padding-top:20px;display:flex}.login-path span{background:#f6f8ed;border:1px solid #d9e3ce;border-radius:9px;padding:8px 16px;font-size:12px}.login-path i{color:#a8b894;font-style:normal}.login-card{place-self:center;width:min(380px,85%);padding:35px 0}.login-card h2{margin:10px 0 7px;font-size:26px}.login-card>p{color:var(--muted);margin-bottom:26px;font-size:12px}.section-topline{color:var(--green);letter-spacing:1px;font-size:11px;font-weight:600}.login-help{margin-top:18px;line-height:1.9;font-size:11px!important}.print-page{padding:24px}.print-toolbar{max-width:820px;color:var(--muted);justify-content:space-between;align-items:center;gap:18px;margin:0 auto 25px;font-size:12px;display:flex}.print-sheet{color:#233329;background:#fff;width:210mm;max-width:100%;min-height:297mm;margin:0 auto;padding:20mm;box-shadow:0 5px 24px #31563115}.print-title{text-align:center;border-bottom:1px solid #d7ded4;margin-bottom:25px;padding-bottom:20px}.print-title p{color:#82937b;margin-bottom:7px;font-size:12px}.print-title h1{font-size:24px}.print-name{margin-top:20px;font-size:12px}.print-sheet .worksheet-items li{break-inside:avoid}.print-sheet .writing-space{height:115px}.print-foot{color:#82927b;overflow-wrap:anywhere;border-top:1px solid #e5e9e1;margin-top:30px;padding-top:15px;font-size:9px}@media (max-width:1100px){.sidebar{width:195px;padding-left:13px;padding-right:13px}.workspace{margin-left:195px}.main-content{padding:28px 24px 40px}.topbar{padding:0 24px}.welcome-art{width:170px}.filter-grid{grid-template-columns:1fr 1fr}.card{padding:22px}.report-numbers{grid-template-columns:1fr 1fr}}@media (max-width:800px){.app-shell{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--border);width:100%;padding:12px 17px 0;position:sticky;inset:0 auto auto}.sidebar .brand{font-size:17px}.sidebar .brand-mark{border-radius:8px;width:29px;height:32px;font-size:16px}.sidebar .brand small{display:none}.sidebar nav{flex-direction:row;gap:4px;max-width:100%;margin-top:12px;padding-bottom:9px;display:flex;overflow-x:auto}.nav-link{flex:none;gap:7px;padding:7px 10px;font-size:12px}.nav-link>span{width:14px;font-size:15px}.sidebar-note{display:none}.workspace{margin-left:0}.topbar{gap:8px;height:61px;padding:0 20px}.child-switch{gap:9px}.child-switch select{min-width:110px;padding:7px;font-size:12px}.topbar-right{gap:12px}.main-content{padding:25px 20px 35px}.panel-heading{flex-wrap:wrap;align-items:start;gap:13px;margin-bottom:22px}.panel-heading h1{font-size:24px}.panel-description{font-size:12px}.two-columns{grid-template-columns:1fr;gap:0}.stats-grid{gap:10px}.stat-card{padding:16px}.stat-card strong{font-size:27px}.welcome-card{padding:25px}.welcome-art{width:155px}.lesson-grid{grid-template-columns:1fr 1fr;gap:14px}.curriculum-row{grid-template-columns:1fr 1fr}.curriculum-row>button{align-self:center}.login-story{padding:35px}.login-story h1{font-size:32px}.print-toolbar{flex-wrap:wrap}.print-sheet{padding:12mm}}@media (max-width:520px){.main-content{padding:22px 16px 30px}.desktop-only{display:none}.card{border-radius:14px;margin-bottom:18px;padding:20px}.panel-heading .button{padding:9px 13px;font-size:12px}.welcome-art{display:none}.welcome-card{min-height:0;padding:24px}.welcome-card h2{font-size:22px}.welcome-card p:not(.eyebrow){font-size:12px}.stats-grid{grid-template-columns:1fr 1fr 1fr;gap:8px}.stat-card{border-radius:12px;padding:13px 10px}.stat-card>span{font-size:10px}.stat-card strong{font-size:25px}.stat-card small{font-size:9px;line-height:1.5;display:block}.form-grid{grid-template-columns:1fr;gap:0}.filter-grid{grid-template-columns:1fr 1fr;gap:10px}.filter-grid .field>span{font-size:11px}.filter-grid input{padding:8px 9px;font-size:12px}.question-grid,.lesson-grid{grid-template-columns:1fr}.question-card h3{min-height:0}.modal-backdrop{padding:10px}.modal{padding:18px}.modal-top h2{font-size:17px}.answer-columns{grid-template-columns:1fr;gap:0}.inline-form{flex-direction:column;align-items:stretch}.report-form{gap:15px}.report-form .field,.segmented{width:100%}.segmented button{flex:1}.report-numbers{grid-template-columns:1fr 1fr;gap:10px}.report-numbers strong{font-size:20px}.template-tabs{gap:3px;width:100%}.template-tabs button{flex:1;padding:8px 7px;font-size:12px}.math-figure{padding:5px}.math-controls{gap:15px}.math-controls label{font-size:11px}.math-controls strong{font-size:16px}.row-list>div{gap:10px}.row-list>div>.button-row{justify-content:flex-end}.login-page{flex-direction:column;display:flex}.login-story{min-height:235px;padding:24px}.login-story .brand-login{margin-bottom:25px}.login-story h1{margin:7px 0;font-size:25px}.login-story h1 br{display:none}.login-story p:not(.eyebrow){margin:0;font-size:12px}.login-story>small,.login-path{display:none}.login-card{align-self:center;width:calc(100% - 48px);padding:30px 0}.login-card h2{font-size:23px}.print-page{padding:12px}.print-sheet{padding:8mm}.print-name{line-height:2}.print-toolbar>span{order:3;width:100%}.public-share-page{padding:24px 15px}.public-share-page .card{padding:20px}}@media print{@page{size:A4;margin:15mm}html,body{color:#000;background:#fff;min-width:0;font-size:12pt}.print-page{padding:0}.print-toolbar,.print-page>.notice,.print-page>.busy{display:none!important}.print-sheet{width:auto;max-width:none;min-height:0;box-shadow:none;margin:0;padding:0}.print-title{margin-bottom:15mm}.print-title h1{font-size:18pt}.print-sheet .worksheet-items{padding-left:7mm}.print-sheet .worksheet-items li{break-inside:avoid;margin-bottom:3mm;padding:3mm 0 5mm}.print-foot{font-size:8pt}.writing-space{background:0 0;height:30mm!important}.worksheet-answer{background:0 0;border-left:1px solid #bbb;padding:3mm}.worksheet-items li::marker{color:#000}.math-text{font-size:12pt}.print-name{font-size:10pt}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.question-figure{color:#233e35;width:300px;max-width:100%;height:auto;margin:12px 0;font-size:13px;display:block}.source-location-caption{color:var(--green-dark);flex-wrap:wrap;gap:8px 18px;margin:0 0 12px;font-size:12px;display:flex}.source-location{background:#fff;border-radius:10px;width:100%;max-width:620px;margin:0 auto 16px;position:relative;overflow:hidden}.source-location .source-photo{border:0;border-radius:0;width:100%;height:auto;max-height:none;margin:0;display:block}.source-region{box-sizing:border-box;border:3px solid var(--orange);pointer-events:none;background:#c7734210;position:absolute}.pdf-source-preview{grid-template-columns:minmax(0,1fr) 110px;align-items:start;gap:16px;margin-bottom:16px;display:grid}.source-pdf{border:1px solid var(--border);background:#fff;border-radius:8px;width:100%;height:480px}.pdf-location-map svg{width:100%;height:auto;display:block}.pdf-location-map p{text-align:center}@media (max-width:520px){.pdf-source-preview{grid-template-columns:minmax(0,1fr)}.pdf-location-map{width:100px}.source-pdf{height:400px}}.language-text{white-space:pre-wrap;overflow-wrap:anywhere}.language-explorer{margin:1rem 0}.word-card{color:#214b40;text-align:center;cursor:pointer;background:#f1f7f2;border:1px solid #cfddd5;border-radius:16px;width:100%;min-height:10rem;padding:1.5rem}.word-card small{margin-bottom:1rem;display:block}.word-card>span{font-size:1.5rem;display:block}.sentence-pieces{padding-left:1.5rem}.sentence-pieces li{background:#f1f7f2;border-radius:8px;margin:.7rem 0;padding:.6rem}.sentence-pieces li>div{gap:.5rem;margin-top:.5rem;display:flex}.sentence-pieces button{padding:.4rem .7rem}@media (max-width:640px){.topbar{flex-wrap:wrap;gap:.5rem}.topbar .mobile-brand{width:100%}.subject-switch{margin-right:auto}.topbar{height:auto;min-height:96px;padding-top:.7rem;padding-bottom:.7rem}.child-switch{gap:.4rem}.child-switch select{min-width:84px}.topbar-right{gap:.5rem}}.report-by-subject{border-top:1px solid var(--border);margin-top:1.5rem;padding-top:.5rem}.model-selector{min-width:0;margin:1rem 0}.model-selector select{width:100%}.model-selector .notice{margin-bottom:.8rem}.model-connection-item{border-top:1px solid var(--border);padding:1.2rem 0}.model-connection-item h4{margin:0;font-size:1rem}.model-connections-panel code{overflow-wrap:anywhere}.model-connection-item .button-row{flex-wrap:wrap}@media (max-width:640px){.model-connections-panel .card-heading{flex-wrap:wrap}.model-connection-item .button{padding:.5rem .7rem;font-size:.8rem}}