:root{font-family:"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#243630;background:#f5f6f2;font-size:14px;--green:#275e4c;--line:#dce2db}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;transition:background .15s}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--green);text-underline-offset:3px}.topbar{height:88px;padding:0 4%;display:flex;gap:24px;align-items:center;border-bottom:1px solid var(--line);background:white}.brand{display:flex;gap:12px;font-size:30px;font-weight:700;text-decoration:none}.brand span{font-size:20px}.brand small{display:block;font-size:11px;font-weight:400;letter-spacing:2px;color:#79867b;margin-top:3px}.tag{font-size:12px;color:#637267;background:#edf0e9;border-radius:20px;padding:7px 12px}.topbar>.tag{margin-left:auto}.quiet,.text-button{border:0;background:none;color:var(--green);padding:8px}.workspace{display:grid;grid-template-columns:390px minmax(0,1fr);max-width:1600px;margin:auto;min-height:calc(100vh - 88px)}.composer{padding:35px 30px;background:#fff;border-right:1px solid var(--line)}.eyebrow{letter-spacing:2px;color:#7a8779;font-size:11px;font-weight:700}h1{font-size:30px;letter-spacing:-1px;margin:15px 0}h2{font-size:18px;margin:0}h3{font-size:17px}.intro{color:#788278;font-size:13px;line-height:1.9;margin-bottom:32px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-head h2{font-size:15px}.section-head span{font-size:11px;color:#899185;font-weight:400;margin-left:6px}label{display:block;color:#5d6b60;font-size:12px}input,select,textarea{width:100%;border:1px solid #d7dfd7;border-radius:7px;background:#fff;color:#243630;padding:11px;margin-top:7px}textarea{resize:vertical;line-height:1.8}textarea::placeholder{color:#9aa397}.add-button{width:100%;background:#f2f6f0;border:1px dashed #acbdaa;border-radius:6px;padding:11px;color:var(--green);margin:10px 0}.sources{display:grid;gap:8px;max-height:300px;overflow:auto}.source{background:#f4f6f0;padding:12px;border-radius:6px;display:flex;gap:10px;align-items:start}.source p{margin:0;line-height:1.6;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;flex:1}.source button{border:0;background:none;color:#7c897b}.source b{font-size:11px;color:#7c897b}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.muted,.footnote{color:#7c877e;font-size:12px;line-height:1.7}.footnote{font-size:11px}.primary{border:0;border-radius:6px;background:var(--green);color:white;padding:12px 18px;font-weight:600}.primary:hover{background:#194b3b}.wide{width:100%;display:flex;justify-content:space-between}#status{font-size:13px;line-height:1.7;overflow-wrap:anywhere}#status.error{color:#b44032}.preview-area{padding:35px 36px;min-width:0}.preview-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.preview-top h2{font-size:23px;margin-top:12px}.toolbar{display:flex;justify-content:space-between;gap:12px;margin-bottom:20px}.segmented{display:flex;gap:4px;background:#e8ece5;padding:4px;border-radius:7px}.segmented button{border:0;border-radius:5px;background:none;color:#6e7c70;padding:8px 18px}.segmented button[aria-pressed=true]{background:white;color:var(--green);box-shadow:0 1px 4px #0001;font-weight:700}.paper-settings{display:grid;grid-template-columns:minmax(120px,1fr) 110px 80px;gap:15px}.document-actions{display:flex;gap:16px;align-items:center;margin:10px 0 22px;font-size:12px}.document-actions button{padding:8px 0}.document-actions a{margin-left:auto;color:#7a8779}.import-label{cursor:pointer}.import-label input{display:none}.empty{min-height:470px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:4px}.paper-icon{color:#83977d;font:32px Georgia;letter-spacing:12px;line-height:1.4;background:#f3f5ee;padding:20px 12px 20px 24px;border:1px solid #dce2d4;transform:rotate(-6deg);margin-bottom:12px}.empty h3{font-size:18px;margin-bottom:0}.empty p{color:#8b9388;font-size:13px;line-height:1.9}.empty>span{color:#a0a797;font-size:11px;margin-top:18px}.pages{display:grid;gap:24px;overflow:auto}.page{background:white;width:100%;max-width:794px;aspect-ratio:210/297;margin:auto;padding:5%;box-shadow:0 2px 12px #2538290b;display:flex;flex-direction:column;font-family:"Microsoft JhengHei",sans-serif;color:#111;--paper-font:16px}.page-header{display:flex;justify-content:space-between;gap:15px;align-items:center;border-bottom:2px solid #222;padding-bottom:14px}.page-header h2{font-size:22px;overflow-wrap:anywhere}.page-header p{font-size:12px;margin:10px 0 0}.signature{font-size:12px;min-width:80px;border:1px solid #777;padding:8px;height:55px}.question-grid{display:grid;flex:1;border-left:1px solid #666;margin-top:16px;border-top:1px solid #666}.worksheet-row{display:grid;grid-template-columns:1fr 1fr;min-height:0;border-bottom:1px solid #666}.question-pane,.work-pane{padding:10px;min-width:0;border-right:1px solid #666;position:relative;overflow-wrap:anywhere;font-size:var(--paper-font);line-height:1.65;white-space:pre-wrap;overflow:hidden}.worksheet-row .label{font-size:11px;color:#555;display:block;margin-bottom:6px}.work-pane{background:linear-gradient(90deg,transparent calc(50% - .5px),#e7e7e7 50%,transparent calc(50% + .5px)),linear-gradient(transparent calc(50% - .5px),#e7e7e7 50%,transparent calc(50% + .5px))}.answer{color:#b22e27;white-space:pre-wrap}.page-footer{display:flex;justify-content:space-between;font-size:10px;margin-top:10px;color:#555}.editor{margin-top:28px}.edit-item{border-top:1px solid var(--line);padding:16px 0}.edit-item h4{margin:0 0 12px}.edit-item textarea{font-size:13px}.edit-item .text-button{color:#b44032}.editor p{margin-top:6px}.overflow-warning{color:#b44032;font-size:12px;margin:8px 0}.katex{font-size:1em}.katex-display{margin:.4em 0;overflow:visible}dialog{border:1px solid var(--line);border-radius:12px;padding:25px;max-width:460px;width:90%;line-height:1.8}dialog::backdrop{background:#15291e66}dialog p{font-size:13px}#serviceList>p{background:#f3f5ef;padding:10px;border-radius:5px}#serviceList small{display:block;color:#737d73}body.busy{cursor:progress}[hidden]{display:none!important}@media(min-width:1400px){.workspace{grid-template-columns:420px minmax(0,1fr)}.preview-area{padding:35px 60px}}@media(max-width:900px){.workspace{grid-template-columns:320px minmax(0,1fr)}.composer{padding:25px 20px}.preview-area{padding:25px 20px}.toolbar{flex-wrap:wrap}.paper-settings{grid-template-columns:1fr 80px}.paper-settings label:first-child{grid-column:1/-1}.page-header h2{font-size:16px}.signature{display:none}.document-actions{flex-wrap:wrap}.document-actions a{margin-left:0}}@media(max-width:680px){.topbar{padding:15px;height:75px;gap:8px}.topbar>.tag{display:none}.topbar>.quiet{margin-left:auto}.workspace{display:block}.composer{border-right:0;border-bottom:1px solid var(--line)}.preview-area{padding:25px 15px}.intro br{display:none}.empty{min-height:350px}.page-header p{font-size:9px}.question-pane,.work-pane{padding:6px}.page{aspect-ratio:auto;min-height:650px}.worksheet-row{min-height:130px}.document-actions{gap:12px}}
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/* 出題工作台：依參考介面整合深色設定欄與淺藍預覽區。 */
:root{background:#e9f3f6;color:#253545;--green:#308968;--line:#d8e4e8}
.topbar{height:78px;padding:0 32px;gap:38px;border-bottom-color:#d5e4e9}.brand{align-items:center;gap:12px;color:#274f68}.brand>span:not(.brand-mark){font-size:18px}.brand small{font-size:10px;letter-spacing:1px;color:#83919b}.brand-mark{display:grid;grid-template-columns:repeat(2,19px);gap:3px}.brand-mark i{font-style:normal;font-size:15px;line-height:19px;text-align:center;border-radius:4px;background:#e7b168;color:white}.brand-mark i:nth-child(2){background:#db8078}.brand-mark i:nth-child(3){background:#79b9a4}.brand-mark i:nth-child(4){background:#7ca6c4}
.topbar nav{display:flex;align-self:stretch;align-items:stretch;gap:8px}.topbar nav a,.topbar nav button{display:flex;align-items:center;padding:0 18px;color:#6c7e8b;text-decoration:none;font-size:13px;white-space:nowrap}.topbar nav .active{background:#edf6fa;border-bottom:3px solid #609dbb;color:#356b86}.local-badge{margin-left:auto;color:#678c7c;font-size:11px;white-space:nowrap}.workspace-heading{max-width:1536px;margin:0 auto;padding:24px 28px 20px;display:flex;justify-content:space-between;align-items:center}.workspace-heading h1{font-size:21px;letter-spacing:0;margin:7px 0 0}.workspace-heading .eyebrow{font-size:9px;color:#8199a5}.tag{background:#e0ecef;color:#587787}.workspace{max-width:1536px;padding:0 28px 32px;grid-template-columns:365px minmax(0,1fr);gap:22px;align-items:start;min-height:0}.composer{border:1px solid #152839;border-radius:10px;background:#243647;padding:22px;color:white;box-shadow:0 5px 12px #1b3b4a12}.composer-heading{display:flex;gap:12px;align-items:center;margin-bottom:20px}.step{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:#edf3f4;color:#4e8093;font-size:11px;font-weight:700;flex-shrink:0}.composer .step{background:#3a5062;color:#c1dce5}.composer-heading h2{font-size:18px}.composer-heading p{margin:6px 0 0;color:#a9bdcb;font-size:11px}.input-surface{background:#f8fafb;border-radius:8px;padding:14px;color:#253545}.section-head{margin-bottom:10px}.section-head h2{font-size:13px}.section-head span{font-size:10px}.text-button{font-size:11px;padding:4px}.input-surface label{font-size:11px;color:#6c7e89}.input-surface textarea{margin-top:8px;font-size:13px;padding:12px;line-height:1.9;border-color:#d9e2e7;min-height:180px}.add-button{font-size:12px;margin-bottom:0;padding:9px;background:#edf3f6;border-color:#b9cdd7;color:#476c7d}.sources{max-height:180px;margin-top:10px}.source{background:#eaf0f3;padding:9px}.source p{font-size:11px}.settings-grid{gap:14px;margin-top:20px}.composer>.settings-grid label{color:#d4e0e8;font-size:12px}.settings-grid select{padding:9px;background:#f5f8fa;border-color:#476070;font-size:12px}.generation-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px;font-size:12px;color:#cddce6}.generation-summary strong{font-size:11px;font-weight:500;background:#3b5061;border-radius:4px;padding:7px 9px;color:#e7f2f6}.switch-field{display:flex;gap:10px;align-items:center;position:relative;color:#d4e0e8;font-size:12px;padding:16px 0 6px;cursor:pointer}.switch-field input{position:absolute;width:38px;height:23px;right:0;margin:0;opacity:0;cursor:pointer}.switch-track{margin-left:auto;width:34px;height:20px;background:#71838e;border-radius:14px;pointer-events:none;padding:3px}.switch-track:before{content:'';display:block;width:14px;height:14px;background:white;border-radius:50%;transition:transform .15s}.switch-field input:checked+.switch-track{background:#48a884}.switch-field input:checked+.switch-track:before{transform:translateX(14px)}.switch-field input:focus-visible+.switch-track{outline:2px solid white;outline-offset:3px}.composer .muted{color:#a5bdcb;font-size:10px;margin:14px 0 12px}.primary{background:#369372}.primary:hover{background:#277e5f}.composer .wide{justify-content:center;padding:13px;letter-spacing:.5px}.composer .footnote{color:#9db5c4;font-size:10px;margin-bottom:0}#status{font-size:12px;color:#d6e7ef}#status:empty{display:none}#status.error{color:#ffc1af}.preview-area{padding:20px 22px 22px;min-width:0;border:1px solid #d2e1e6;border-radius:10px;background:#f9fcfd;box-shadow:0 5px 12px #1b3b4a08}.preview-top{margin-bottom:16px}.preview-title{display:flex;align-items:center;gap:10px}.preview-top h2{margin:0;font-size:18px}.preview-top .tag{font-size:10px;background:#eef3f5}.toolbar{align-items:center;margin-bottom:18px}.segmented{width:100%;max-width:480px;background:#e6ecef;border-radius:25px;padding:4px;gap:2px}.segmented button{flex:1;padding:8px 10px;border-radius:20px;font-size:12px}.segmented small{font-size:10px;font-weight:400;margin-left:4px}.paper-size{font-size:10px;white-space:nowrap;color:#8ca0aa}.paper-settings{grid-template-columns:minmax(100px,1fr) 95px 75px;gap:12px;padding-bottom:18px;border-bottom:1px solid #e1e9ed}.paper-settings label{font-size:10px;color:#718692}.paper-settings input,.paper-settings select{font-size:12px;margin-top:6px;padding:9px;border-color:#dce5e9}.preview-canvas{display:grid;grid-template-columns:minmax(0,1fr) 66px;gap:12px;padding-top:18px}.paper-stage{min-width:0;grid-column:1;grid-row:1}.output-tools{grid-column:2;grid-row:1;display:flex;flex-direction:column;gap:8px}.output-tools button,.output-tools label,.output-tools a{background:none;border:0;border-radius:6px;text-align:center;color:#708590;text-decoration:none;font-size:10px;padding:10px 3px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:7px}.output-tools span{font-size:21px;line-height:1}.output-tools #printButton{background:#e1f0e9;color:#318361}.output-tools button:hover:not(:disabled),.output-tools label:hover,.output-tools a:hover{background:#eaf0f3}.import-label input{display:none}.empty{min-height:530px;border-color:#e1e7e9;border-radius:3px}.empty h3{font-size:16px}.empty p{font-size:12px}.pages{overflow:auto;gap:18px}.page{padding:5%;box-shadow:0 2px 8px #2347560a;border:1px solid #e2e7ea}.page-header h2{font-size:20px}.signature{min-width:60px;font-size:10px;height:44px}.page-header p{font-size:10px}.work-pane{background:none}.squared .work-pane{background-image:linear-gradient(#ced7dd66 1px,transparent 1px),linear-gradient(90deg,#ced7dd66 1px,transparent 1px);background-size:14px 14px}.answer{background:#ffffffcf}.editor{scroll-margin-top:18px;border-top:1px solid #dce7eb;padding-top:10px}.editor>h3{font-size:15px}.editor>p{font-size:11px}
@media(min-width:1400px){.workspace{grid-template-columns:390px minmax(0,1fr)}.preview-area{padding:24px 30px}.composer{padding:24px}}
@media(max-width:1050px){.topbar{gap:16px;padding:0 20px}.topbar nav a,.topbar nav button{padding:0 10px;font-size:12px}.workspace{grid-template-columns:320px minmax(0,1fr);padding:0 20px 25px;gap:16px}.workspace-heading{padding:20px}.composer{padding:18px}.preview-area{padding:18px 14px}.preview-canvas{grid-template-columns:minmax(0,1fr) 50px;gap:8px}.segmented small,.paper-size{display:none}.preview-top h2{font-size:16px}.page-header h2{font-size:15px}.question-pane,.work-pane{padding:7px}.local-badge{display:none}}
@media(max-width:900px){.topbar{height:auto;min-height:72px;padding:14px 16px;flex-wrap:wrap;gap:12px}.brand>span:not(.brand-mark){font-size:16px}.topbar nav{width:100%;height:38px;gap:3px}.topbar nav a,.topbar nav button{padding:0 13px;font-size:12px}.workspace-heading{padding:18px 16px}.workspace-heading h1{font-size:17px}.workspace-heading>.tag{display:none}.workspace{display:grid;grid-template-columns:1fr;padding:0 12px 20px;gap:16px}.composer{padding:18px}.input-surface textarea{min-height:150px}.settings-grid{grid-template-columns:1fr 1fr}.preview-area{padding:18px 12px}.paper-settings{grid-template-columns:minmax(100px,1fr) 85px 60px;gap:8px}.paper-settings label:first-child{grid-column:auto}.preview-canvas{display:flex;flex-direction:column}.output-tools{flex-direction:row;order:0;border-bottom:1px solid #e4ebef;padding-bottom:10px;margin-bottom:8px;justify-content:space-around}.output-tools button,.output-tools label,.output-tools a{padding:8px;flex:1;font-size:10px}.output-tools span{font-size:18px}.paper-stage{order:1}.preview-top h2{font-size:16px}.page{min-height:620px}.page-header h2{font-size:16px}.page-header p{font-size:9px}.empty{min-height:400px}}
@media print{.workspace-heading,.output-tools{display:none!important}.workspace,.preview-canvas,.paper-stage{display:block;padding:0;margin:0}.preview-area{border:0;border-radius:0;padding:0;box-shadow:none;background:white}.page{border:0;width:194mm;max-width:none;height:280mm;min-height:0;margin:0;padding:7mm;box-shadow:none}.page-header h2{font-size:22px}.page-header p{font-size:12px}.signature{display:block}.question-pane,.work-pane{padding:10px}.workspace{gap:0}}
@media screen and (min-width:901px){.composer{padding:18px}.composer-heading{margin-bottom:14px}.input-surface{padding:12px}.input-surface textarea{min-height:135px;height:135px}.sources{max-height:120px}.settings-grid{margin-top:16px;gap:12px}.generation-summary{margin-top:14px}.switch-field{padding-top:12px}.composer .muted{margin:10px 0}.composer .footnote{line-height:1.5}}
/* 保留鍵盤使用者的題庫匯入入口。 */
.output-tools .import-label{position:relative}.output-tools .import-label input{display:block;position:absolute;width:1px;height:1px;opacity:0;padding:0;border:0;overflow:hidden}.output-tools .import-label:focus-within{outline:2px solid #308968;outline-offset:2px}

.image-test-box{padding:12px;background:#304c60;border:1px solid #4d6a7c;border-radius:7px;margin-bottom:16px}.image-test-box h3{font-size:12px;margin:0}.image-test-box .text-button{color:#bce2d4;font-size:10px}.image-test-box p{font-size:11px;line-height:1.8;white-space:pre-wrap;color:#c9dce7}.image-test-box label{color:#c9dce7}.image-test-box img{width:100%;max-height:260px;object-fit:contain;background:white;border-radius:4px;margin-top:12px}.image-test-box h4{font-size:13px}.image-test-box summary{font-size:11px;cursor:pointer;color:#bdd6ce}.image-test-box .primary{margin-top:14px}#imageCaseNotes{color:#f0d7a6}

.test-diagram{display:block;width:100%;max-width:240px;height:150px;object-fit:contain;margin:10px auto;}